Thumbnut

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A nut with a knurled rim which can be turned with thumb and forefinger.
  2. 2
    a threaded nut with winglike projections for thumb and forefinger leverage in turning wordnet
  3. 3
    Synonym of wingnut.

Synonyms

All synonyms
butterfly nutwing nutwing nutwing screwwing-nutwingnut

Etymology

From thumb + nut.

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