a subordinate part attached to something; an auxiliary part; addition.
Anatomy, Zoology. any member of the body diverging from the axial trunk.
Botany, Mycology. any subsidiary part superadded to another part.
a person in a subordinate or dependent position, especially a servile or parasitic follower.

Origin of appendage

First recorded in 1640–50; append + -age
Related formsap·pend·aged, adjectiveun·ap·pend·aged, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for appendage



an ancillary or secondary part attached to a main part; adjunct
zoology any organ that projects from the trunk of animals such as arthropods
botany any subsidiary part of a plant, such as a branch or leaf
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for appendage

1640s, from append + -age.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for appendage




A part or organ attached to a main structure and subordinate in function or size.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.