| 释义 |
keyway
\ˈ ̷ ̷ˌ ̷ ̷\ noun
1. : a groove or channel for a key (as in a shaft or the hub of a pulley) : key seat
2. : the aperture for the key in a lock having a flat metal key
3. : a groove or channel for a key in a construction joint (as in a floor or wall) or underneath a retaining wall or dam |