Oxford Dictionary English wetsuit noun noun BrE BrE//ˈwetsuːt// , also BrE//ˈwetsjuːt// ; NAmE NAmE//ˈwetsuːt// Diving, Water sports Add to my wordlistjump to other results enlarge image a piece of clothing made of rubber that fits the whole body closely, worn, for example, by people swimming underwater or sailing See related entries: Diving, Water sportsSee wetsuit in the Oxford Advanced American DictionaryCheck pronunciation: wetsuit oxfordlearnersdictionaries.com