What does "bathing costume" mean?

The clothes that one wears when bathing in the sea or a swimming pool, especially the one-piece garment worn by women and girls.

What is a synonym for "bathing costume"?

Common synonyms include: bathing suit, beachwear, swimming costume, swimsuit, swimwear.

noun

noun ·Rare ·Advanced level

Noun

1
The clothes that one wears when bathing in the sea or a swimming pool, especially the one-piece garment worn by women and girls. British, dated
2
tight fitting garment worn for swimming wordnet