ETYM Old Eng. blaw, blowe; cf. Old High Germ. bliuwan, pliuwan, to beat, German bläuen, Goth. bliggwan.
1. A powerful stroke with the fist or a weapon.
2. Forceful exhalation through the nose or mouth; SYN. puff.

(Homonym: nock).
1. The act of hitting vigorously; SYN. belt, rap, whack, whang.
2. The sound of knocking (as on a door or in an engine or bearing); SYN. knocking.
3. A vigorous blow; SYN. bash, bang, smash, belt.
4. Negative criticism; SYN. roast.
5. A bad experience.

1. A light touch or stroke; SYN. pat, dab.
2. A plug for a bunghole in a cask; SYN. spigot.
3. A small metal plate that attaches to the toe or heel of a shoe (as in tap dancing).
4. A tool for cutting female (internal) screw threads.

A swift, resounding blow.