noun
keyhole
KEE-hohl
noun
1
The opening in a lock where the key is inserted.
"She peered through the keyhole to see who was knocking."
2
A small opening resembling a keyhole in shape, sometimes used to describe a limited or narrow view of something.
"The article gave readers only a keyhole glimpse into the star's private life."
How to Use Keyhole
Learner’s notesIn plain EnglishThe small hole in a lock for inserting a key, or by extension, a narrow, limited view of something.
Common pairings
peek through the keyhole
keyhole surgery
Word Forms
keyholed past tense, keyholes plural, keyholes singular
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Etymology
A compound of "key" and "hole" — literally the hole a key fits into.