autotomy

/ɔːtɒtəmi/

Definitions

1. noun

The process or act of self-amputation, often used as a defense mechanism by certain animals, especially lizards.

“The gecko’s autotomy allowed it to escape from the snake’s deadly grip.”

2. noun

A part of an animal that has been self-amputated as a defense mechanism.

“The autotomy of the lizard’s tail left it limping and disoriented.”

Synonyms

  • apoptosis
  • self-amputation
  • self-mutilation

Antonyms

  • regeneration
  • regrowth