D defs.my
Entry 1 sense Webster, 1913

autotomy

· IPA /ɔːˈtɒtəmi/
01 n. spontaneous removal or casting off of a body part (as the tail of a lizard or claw or a lobster) especially when the organism is injured or…
  1. 1.
    spontaneous removal or casting off of a body part (as the tail of a lizard or claw or a lobster) especially when the organism is injured or under attack.