gill

word

Definition

A gill is the organ that fish and some other water animals use to breathe, taking in oxygen from water.

Usage & Nuances

'Gill' is most commonly used to describe fish anatomy. In plural, 'gills' refers to both organs. Not to be confused with 'gill' as a unit of measurement (rare in modern usage). Often used in biology, science, and nature contexts.

Example Sentences

A fish breathes through its gills.

basic

Some crabs also have gills to breathe in water.

basic

If a fish's gills are damaged, it cannot survive.

basic

The bright red color of the gills means the fish is healthy.

natural

You can see the gills moving as the fish breathes.

natural

Unlike humans, fish don’t have lungs, they have gills.

natural