Standard Lemma guide

leatherjacket

noun · 7 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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  • General-American: /ˈlɛðɚd͡ʒækɪt/

1

noun

Meaning 1

The larva of certain crane flies.

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

Any of several brightly coloured tropical fishes, of the family Balistidae, including the filefish and the triggerfish; leatherfish.

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

Any of several Atlantic fishes, of the genus Oligoplites, that have a leathery skin; leatherjack.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

grey gum (Eucalyptus punctata).

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

tough-skinned larva of certain crane flies

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: grub

6

noun

Meaning 6

any of several New World tropical fishes having tiny embedded scales

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: leatherjack

Antonyms: none provided

Broader terms: jack

7

noun

Meaning 7

any of several brightly colored tropical filefishes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: leatherfish

Antonyms: none provided

Broader terms: filefish

History

Etymology

From leather + jacket.

Across languages

Translations

4 source translations are retained for this English entry.

  • Dutch: emelt — larva of some craneflies
  • Finnish: vaaksiaisen toukka — larva of some craneflies
  • Finnish: säppikala — fish of the family Balistidae
  • Māori: kōkiri — fish of the genus Oligoplites