Standard Lemma guide

locknut

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 an inner ring made of a material with elastic properties to prevent it from slipping.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A second nut, screwed down onto another in order to prevent it slipping.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

supplementary nut that is screwed down on a primary nut to prevent it from loosening

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: safety nut

Antonyms: none provided

Broader terms: nut

History

Etymology

From lock + nut.

Across languages

Translations

4 source translations are retained for this English entry.

  • Dutch: borgmoer — A nut with an inner ring made of a material with elastic properties to prevent it from slipping
  • Spanish: tuerca con nailon — A nut with an inner ring made of a material with elastic properties to prevent it from slipping
  • Bulgarian: контрагайка (kontragajka) — A second nut, screwed down onto another in order to prevent it slipping
  • Spanish: contratuerca — A second nut, screwed down onto another in order to prevent it slipping