A bather is a person who is swimming in the sea, or in a river or lake.
[mainly British, formal]
The beach was crowded with bathers.
bather in American English
(ˈbeiðər)
noun
1.
a person or thing that bathes
2. See bathers
Word origin
[1630–40; bathe + -er1; cf. -s3]This word is first recorded in the period 1630–40. Other words that entered Englishat around the same time include: amphibian, ejector, graphic, indulge, precision-er is a suffix used in forming nouns designating persons from the object of their occupationor labor (hatter; tiler; tinner; moonshiner), or from their place of origin or abode (Icelander; southerner; villager), or designating either persons or things from some special characteristic or circumstance(six-footer; three-master; teetotaler; fiver; tenner)
Examples of 'bather' in a sentence
bather
I waited on the brink for the bather to reappear.
The Times Literary Supplement (2016)
Whether he's painting a bather or a tree or a field of sweet peas, it seems not to matter.
Times, Sunday Times (2007)
This is a bath in which the taps can be worked by the bather while still beautifully supine.
Times, Sunday Times (2007)
The salty water is so buoyant that it is practically impossible for a bather to sink.