Pronunciation: (u-pen'dij),[key] —n. 1. a subordinate part attached to something; an auxiliary part; addition.
2. Anat.,Zool.any member of the body diverging from the axial trunk.
3. Bot.,Mycol.any subsidiary part superadded to another part.
4. a person in a subordinate or dependent position, esp. a servile or parasitic follower.