BACKSTROKE
backstroke
(noun) a swimming stroke that resembles the crawl except the swimmer lies on his or her back
backstroke
(verb) swim on one’s back
Source: WordNet® 3.1
Etymology
Noun
backstroke (plural backstrokes)
A swimming stroke swum lying on one's back, while rotating both arms through the water as to propel the swimmer backwards.
(bellringing) The pull on the tail of the rope that swings the bell through a full circle (compare handstroke)
Synonyms
• back crawl
Verb
backstroke (third-person singular simple present backstrokes, present participle backstroking, simple past and past participle backstroked)
To swim the backstroke.
Source: Wiktionary