from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Sports A swimming stroke performed on one's back, especially one using alternating overarm strokes and a flutter kick.
- n. Sports A race or a leg of a race in which this stroke is swum.
- n. A backhanded stroke or motion.
- n. A stroke or motion in the direction of an original starting point: a saw that cuts on the backstroke.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A swimming stroke swum lying on one's back, while rotating both arms through the water as to propel the swimmer backwards.
- n. The pull on the tail of the rope that swings the bell through a full circle (compare handstroke)
- v. To swim the backstroke.
from the GNU version of the Collaborative International Dictionary of English
- n. a swimming stroke that resembles the crawl except the swimmer lies on his or her back. It is usually executed with backward-moving circular arm strokes and a flutter kick.
from The Century Dictionary and Cyclopedia
- n. A blow or stroke in return.
- n. A backhanded stroke; a back-hander.
- n. In telegraphy, the return-stroke of the lever in a telegraph-sounder.
- n. Diastolic impulse of the heart, a faint beat occurring as the blood enters the ventricles.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. swim on one's back
- n. a swimming stroke that resembles the crawl except the swimmer lies on his or her back
back + stroke (Wiktionary)