definition of
[appendage]

[1] #1 appendage n. [extremity, member] an external body part that projects from the body; "it is important to keep the extremities warm". wn

[2] #2 appendage n. [process, outgrowth] a natural prolongation or projection from a part of an organism either animal or plant; "a bony process". wn

[3] #3 appendage n. a part that is joined to something larger. wn