keyway
noun 5
Definitions
noun
1
A slot into which a precision attachment (a key) is fitted.
2
The whole deep way the key has to go, the hollow or cavity.
3
A guide groove.
4
The recessed part of a keyed joint, in which the key resides.
Near-synonyms: keyseat, groove
5
The groove within a modern lock that the key slides into; any lock's keyhole.
Your note
not saved0 chars