What is another word for bathing costume?
Pronunciation: [bˈe͡ɪðɪŋ kˈɒstjuːm] (IPA) 
When it comes to the attire worn for swimming, there are numerous synonyms for the term "bathing costume". Some of the commonly used synonyms for "bathing costume" include swimsuit, swimming attire, swimwear, bikini, trunks, board shorts, one-piece, two-piece, and swim dress. In some regions, the word "swimming costume" is also used instead of "bathing costume". Whatever the terminology used, the most important factor is that the swimwear is comfortable, functional and appropriate for the specific activity being undertaken. With so many options available, there is a bathing costume to meet everyone's preferences and needs.
