Standard Lemma guide

thumbnut

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A nut with a knurled rim which can be turned with thumb and forefinger.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Synonym of wingnut.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: wingnut

Antonyms: none provided

3

noun

Meaning 3

a threaded nut with winglike projections for thumb and forefinger leverage in turning

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: wing nut, wing-nut, wing screw, butterfly nut

Antonyms: none provided

Broader terms: nut

History

Etymology

From thumb + nut.