noun. ['ˈbækˌstroʊk'] a swimming stroke that resembles the crawl except the swimmer lies on his or her back.
1. Noun, singular or mass Keep your arms and legs framed within your body for the front crawl and backstroke to stay streamlined. 2. Verb, past tense If you're looking at a full-body workout, you can cross breaststroke and backstroke off your list.
verb. ['ˈbækˌstroʊk'] swim on one's back.