pound something out Definition

pound³
verb pounded, pounding

tr & intr
1. To beat or bang it vigorously.

Example: pounding on the door
Thesaurus: hammer, pummel, thump, drum, pelt, thud, thunder, crush, beat, batter, bang, bash, clobber.
Form: pound on something (often)
Form: pound at something
intr
2. To walk or run with heavy thudding steps.
3. To crush or grind something to a powder.
4. To thump or beat especially with the fists

Example: pounded him senseless.
5. Said of the heart: to beat with heavy thumping pulses, especially through fear, excitement, etc

Etymology: Anglo-Saxon punian.

Phrasal Verb: pound something out

To produce it by, or as if by, pounding eg a typewriter, etc.