English noun: action mechanism | |||
| 1. | action mechanism (artifact) the operating part that transmits power to a mechanism | ||
| Samples | The piano had a very stiff action. | ||
| Synonyms | action | ||
| Broader (hypernym) | mechanism | ||
| Narrower (hyponym) | firing mechanism, gunlock, movement, piano action, pump action, slide action | ||
| Part holonym | key | ||
| Part meronym | gun, keyboard | ||