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.
A subordinate or subsidiary part or organ; an external organ or limb, esp. of the articulates.
Antennae and other appendages used for feeling.
Syn. -- Addition; adjunct; concomitant.
© Webster 1913.