a 1 u 1 t 1 o 1 t 1 o 1 m 3 y 4
8 letters · 13 points in Scrabble
Meaning
noun spontaneous removal or casting off of a body part (as the tail of a lizard or claw of a lobster) especially when the organism is injured or under attack
originFrom auto- + -tomy, after German Autotomie or French autotomie.
Etymology from Wiktionary, CC BY-SA 3.0