Definition, Meaning & Synonyms

keyway

Noun

/ˈkiːweɪ/

Definition

A keyway is a slot or groove cut into a shaft or a hub that allows a key to fit into it, enabling the secure connection between two mechanical parts.

Examples

The keyway on the motor shaft was precisely machined to fit the key snugly.
After installing the key in the keyway, the gear was securely attached to the shaft.
Without a properly sized keyway, the machine could suffer from slippage and misalignment.

Meaning

Keyways are used in machinery to prevent relative motion between the components they connect, ensuring that the drive motion is transferred effectively.