keyhole
/ˈkiːhoʊl/
noun
- The hole in a lock where a key is inserted to open or close it.
- The old brass key fit perfectly into the keyhole.
- He jiggled the key in the keyhole until the lock clicked open.
- She peered through the keyhole to see who was knocking.
- A small opening or hole that resembles the shape of a keyhole, often used in design or anatomy.
- The dress had a keyhole cutout at the neckline.
- The telescope's viewfinder had a keyhole-shaped aperture.
- The surgeon made a keyhole incision for the minimally invasive procedure.