Appendage Definition

Define what is Appendage?

1. appendage, extremity, member (noun)

an external body part that projects from the body.

  • it is important to keep the extremities warm.
Synonyms: extremity, member

external body part noun
any body part visible externally.


chelicera noun
either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing.

mouthpart noun
any part of the mouth of an insect or other arthropod especially one adapted to a specific way of feeding.

Fang noun
an appendage of insects that is capable of injecting venom; usually evolved from the legs.

chela, nipper, pincer, claw noun
a grasping structure on the limb of a crustacean or other arthropods.

parapodium noun
one of a pair of fleshy appendages of a polychete annelid that functions in locomotion and breathing.

fin noun
organ of locomotion and balance in fishes and some other aquatic animals.

pleopod, swimmeret noun
one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming.

limb noun
one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper.

dactyl, digit noun
a finger or toe in human beings or corresponding body part in other vertebrates.

2. appendage, outgrowth, process (noun)

a natural prolongation or projection from a part of an organism either animal or plant.

  • a bony process.
Synonyms: outgrowth, process

body part noun
any part of an organism such as an organ or extremity.


horn noun
one of the bony outgrowths on the heads of certain ungulates.

horn noun
any hard protuberance from the head of an organism that is similar to or suggestive of a horn.

crest noun
a showy growth of e.g. feathers or skin on the head of a bird or other animal.

pseudopod, pseudopodium noun
temporary outgrowth used by some microorganisms as an organ of feeding or locomotion.

flagellum noun
a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa).

hair noun
a filamentous projection or process on an organism.

cirrus noun
a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile.

spine noun
a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin.

aculea noun
small spiny outgrowth on the wings of certain insects.

style noun
a slender bristlelike or tubular process.

villus noun
a minute hairlike projection on mucous membrane.

tail noun
the posterior part of the body of a vertebrate especially when elongated and extending beyond the trunk or main part of the body.

fetlock noun
projection behind and above a horse's hoof.

tentacle noun
any of various elongated tactile or prehensile flexible organs that occur on the head or near the mouth in many animals; used for feeling or grasping or locomotion.

arista noun
bristlelike process near the tip of the antenna of certain flies.

acromial process, acromion noun
the outermost point of the spine of the shoulder blade.

ala noun
a flat wing-shaped process or winglike part of an organism.

alveolar arch noun
the part of the upper or lower jawbones in which the teeth are set.

alveolar process, alveolar ridge, gum ridge noun
a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth.

acrosome noun
a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg.

caruncle, caruncula noun
an outgrowth on a plant or animal such as a fowl's wattle or a protuberance near the hilum of certain seeds.

condyle noun
a round bump on a bone where it forms a joint with another bone.

coronoid process, processus coronoideus noun
a sharp triangular process projecting from a bone.

epicondyle noun
a projection on a bone above a condyle serving for the attachment of muscles and ligaments.

fimbria noun
thin projections forming a fringe (especially around the ovarian end of the Fallopian tube).

apophysis noun
(anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra.

spicule, spiculum noun
small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals.

osteophyte noun
small abnormal bony outgrowth.

papilla noun
a small projection of tissue at the base of a hair or tooth or feather.

papilla noun
a small nipple-shaped protuberance concerned with taste, touch, or smell.

cecal appendage, vermiform appendix, vermiform process, appendix noun
a vestigial process that extends from the lower end of the cecum and that resembles a small pouch.

mastoid, mastoid bone, mastoid process, mastoidal noun
process of the temporal bone behind the ear at the base of the skull.

styloid process noun
extends from the base of the temporal bone.

pterygoid process noun
two bony processes descending from the body of the sphenoid bone.

tuberosity, eminence, tubercle noun
a protuberance on a bone especially for attachment of a muscle or ligament.

zygomatic process noun
a slender process of the temporal bone that strengthens the zygomatic arch.

trochanter noun
one of the bony prominences developed near the upper extremity of the femur to which muscles are attached.

transverse process noun
one of two processes that extend from each vertebra and provide the point of articulation for the ribs.

odontoid process noun
a toothlike process at the back of 2nd vertebra of the neck.

metaphysis noun
the growing part of a long bone between the diaphysis and the epiphysis.

olecranon, olecranon process noun
process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended.

ridge noun
any long raised border or margin of a bone or tooth or membrane.

excrescence noun
(pathology) an abnormal outgrowth or enlargement of some part of the body.

papilla noun
(botany) a tiny outgrowth on the surface of a petal or leaf.

plant process, enation noun
a natural projection or outgrowth from a plant body or organ.

3. appendage (noun)

a part that is joined to something larger.


    part, portion noun
    something less than the whole of a human artifact.


    appendicle noun
    a small appendage.

    handhold noun
    an appendage to hold onto.

    handgrip, handle, grip, hold noun
    the appendage to an object that is designed to be held in order to use or move it.

    tailpiece noun
    appendage added to extend the length of something.

    Nearby Terms

    appendaged (adjective)
    having an appendage

    appendant (adjective satellite)
    affixed as an appendage

    appendectomy (noun)
    surgical removal of the vermiform appendix

    appendicectomy (noun)
    surgical removal of the vermiform appendix

    appendicitis (noun)
    inflammation of the vermiform appendix

    appendicle (noun)
    a small appendage

    appendicular (adjective)
    relating to or consisting of an appendage or appendages; especially the limbs

    appendicular artery (noun)
    the branch of the ileocolic artery that supplies the vermiform appendix

    appendicular skeleton (noun)
    the part of the skeleton that includes the pectoral girdle and the pelvic girdle and the upper and lower limbs

    appendicular vein (noun)
    a vein that accompanies the appendicular artery and empties into the ileocolic vein

    appendicularia (noun)
    free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates

    appendix (noun)
    supplementary material that is collected and appended at the back of a book

    Appenzeller (noun)
    a smaller of the four Swiss breeds

    apperceive (verb)
    perceive in terms of a past experience

    apperception (noun)
    the process whereby perceived qualities of an object are related to past experience