What does "branchia" mean?

A gill or other organ having the same function.

What is a synonym for "branchia"?

Common synonyms include: gill, gill system.

noun

noun ·Rare ·Advanced level

Noun

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

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