What does "water body" mean?

Any significant accumulation of water, usually covering the Earth or another planet, such as a river, a lake or a bay.

Water body

Common synonyms include: accumulate water, aquatic body, artificial lake, bodies of water, body of water, dutch engineering water.

noun

noun ·Rare ·Advanced level

Noun

1
Any significant accumulation of water, usually covering the Earth or another planet, such as a river, a lake or a bay.

From water + body.