Meaning of the word gills in English

What does gills mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

gills

US /ɡɪlz/
UK /ɡɪlz/

Plural Noun

the respiratory organ of aquatic animals, such as fish, that extracts oxygen from water

Example:
Fish use their gills to breathe underwater.
The shark's gills were visible as it swam past.