A slot cut in a shaft, pulley hub, wheel hub, etc. A square key is placed in the slot and engages a similar keyway in the mating piece. The key prevents slippage between the two parts. Also called " keyseat."
1. The keyway in a lock that is worked by a flat key. 2. Groove or slot cut in a shaft to hold the key. 3. Groove made in one concrete our that interlocks another concrete structure, possibly poured at an earlier time, such as interlocking a wall to a footing. 4. Groove into which a square or rectangular key is inserted to lock two members together.
(n.) 1. A slot for a key in the hub or shaft of a wheel. (n.) 2. The keyhole of a cylinder lock. Source: Dictionary.com (n.) 1. The opening in a lock or cylinder which is shaped to accept key bit or blade of a proper configuration. (n.) 2. The exact cross sectional configuration of a keyway as viewed from the front. It is not necessarily the same as the key section. Source: Lock Industry Standards and Training (LIST) Council
a slot cut into both the bore of a sprocket or gear and the shaft onto which the part will be mounted. A square, steel `key' (straight or tapered) is inserted between the shaft and the sprocket or gear, allowing power to be transmitted between the two components.