noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   The tendency of a bullet fired down an excessively large barrel to wobble in flight and leave a keyhole-shaped puncture in the target. uncountable
2. 2
   The formation of a transient column of vapor or plasma when using high energy beams, such as lasers, for welding or cutting. uncountable

Verb

1. 1
   present participle and gerund of keyhole form-of, gerund, participle, present

Synonyms

All synonyms

air holearmholeblowholebullet-holebungholecringle

Etymology

From keyhole + -ing.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.