An appendage is defined as an extra part that is attached to something.
(noun)An example of an appendage is a leaf added to a dining table for extension.
The definition of an appendage, in relation to the body of a human or animal, is any part protruding from the torso or trunk.
(noun)An example of an appendage is an arm or leg.
See appendage in Webster's New World College Dictionary
noun
See appendage in American Heritage Dictionary 4
noun
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