noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A counterbore. (cylindrical recess)

Verb

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

Synonyms

All synonyms

countersinkcountersink bit

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