From Longman Dictionary of Contemporary Englishswimming costumeˈswimming ˌcostume ●●● S3 noun [countable] British EnglishDSSDCC a piece of clothing worn for swimming, especially the type worn by women SYN swimsuit
Examples from the Corpus
swimming costume• I pull on my swimming costume, leaving shoes behind, picking up a towel.• I put on my swimming costume and shorts and opened the caravan door.• She looks blummin beautiful in that swimming costume. 