Keyway
noun
noun ·Rare ·Advanced level
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.
Synonyms
All synonymsEtymology
From key + way.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.