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