| 单词 | keyway |
| 释义 | keyway /kee"way'/, n. 1. Mach. a groove in a shaft, the hub of a wheel, etc., for receiving part of a key holding it to another part. 2. a slot in a lock for receiving and guiding the key. 3. (in poured-concrete construction) a longitudinal groove in a footing, or in a pour that has set, providing a key for newly poured concrete. 4. a depression or slot carved into rock to provide a bond or anchorage for a structure, as a dam. [1865-70; KEY1 + WAY] |
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