noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A gill or other organ having the same function.
2. 2
   respiratory organ of aquatic animals that breathe oxygen dissolved in water wordnet

Synonyms

All synonyms

gillgill

Etymology

From Latin branchia, from Ancient Greek βράγχια (bránkhia, “gills”).

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