Ap‐pend″age, n. 1. Something appended to, or accompanying, a principal or greater thing, though not necessary to it, as a portico to a house.
Modesty is the appendage of sobriety.
Jer. Taylor.
2. (Biol.) A subordinate or subsidiary part or organ; an external organ or limb, esp. of the articulates.
Antennæ and other appendages used for feeling.
Carpenter.
Syn. — Addition; adjunct; concomitant.