Dictionary.com

autotomy

[ aw-tot-uh-mee ]
/ ɔˈtɒt ə mi /
Save This Word!

noun, plural au·tot·o·mies.

Zoology.
  1. separation of a body part.
  2. self-amputation of a damaged or trapped appendage.
the performance of surgery upon oneself.

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of autotomy

First recorded in 1895–1900; auto-1 + -tomy
au·to·tom·ic [aw-tuh-tom-ik], /ˌɔ təˈtɒm ɪk/, au·tot·o·mous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for autotomy

autotomy
/ (ɔːˈtɒtəmɪ) /

noun plural -mies

the casting off by an animal of a part of its body, to facilitate escape when attacked
autotomic (ˌɔːtəˈtɒmɪk), adjective
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

Medical definitions for autotomy

autotomy
[ ô-tŏtə-mē ]

n.

The spontaneous casting off of a body part, especially of an invertebrate, when injured or under attack.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Learning At Home Just Got Easier!