Roofbolt

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A safety bolt installed in the roof of an underground mine.
Verb
  1. 1
    To install safety bolts in the roof of an underground mine.

Etymology

From roof + bolt.

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