n. 1. Something appended to, or accompanying, a principal or greater thing, though not necessary to it, as a portico to a house. [ 1913 Webster ]
Modesty is the appendage of sobriety. Jer. Taylor. [ 1913 Webster ]
2. (Biol.) A subordinate or subsidiary part or organ; an external organ or limb, esp. of the articulates. [ 1913 Webster ]
Antennæ and other appendages used for feeling. Carpenter. [ 1913 Webster ]
Syn. -- Addition; adjunct; concomitant. [ 1913 Webster ]
a. Furnished with, or supplemented by, an appendage. [ 1913 Webster ]