noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The action of an animal (such as certain beetles and lizards) that deliberately ejects haemolymph or blood from its body as a defense mechanism. uncountable

Synonyms

All synonyms

reflex bleeding

Etymology

From auto- + haemorrhage + -ing.

Related phrases

defense mechanism

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.