keyhole

Meanings

1. 1
   noun

   the hole where a key is inserted

   Some person was looking through the keyhole again.

2. 2
   noun

   A transient column of vapor or plasma formed when using high energy beams, such as lasers, for welding or cutting.

   Laser keyhole welding.

3. 3
   noun

   The hole in a lock where the key is inserted and turns.

4. 4
   noun

   Any small opening resembling the hole for a key in shape or function; especially, one that gives a vista of, or access to, a space beyond.

From key + hole.

Topics