Standard Lemma guide

mouthpart

noun · 2 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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  • /ˈmaʊθpɑɹt/
  • CMU ARPABET: M AW1 TH P AA2 R T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An appendage-like structure on the outside of an insect's or other arthropod's mouth, serving to manipulate and masticate food.

Definition source: English Wiktionary via Wiktextract

Usage: plural-normally

Topics: biology, natural-sciences, zoology, zootomy

Examples

  • The fans, or brushes, create currents in the water that direct food toward the larvae’s mouthparts and help stuff the food into their deeply concealed mouths.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any part of the mouth of an insect or other arthropod especially one adapted to a specific way of feeding

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: extremity, appendage, member

History

Etymology

From mouth + part.

Across languages

Translations

11 source translations are retained for this English entry.

  • Breton: pezhioù genoù — part of the anatomy of insects
  • Chinese Mandarin: 口器 (kǒuqì) — part of the anatomy of insects
  • Dutch: monddeel — part of the anatomy of insects
  • French: pièce buccale — part of the anatomy of insects
  • German: Mundwerkzeug — part of the anatomy of insects
  • German: Mundteil — part of the anatomy of insects
  • German: Mundgliedmaße — part of the anatomy of insects
  • Greek: στοματικό μόριο (stomatikó mório) — part of the anatomy of insects
  • Italian: apparato boccale — part of the anatomy of insects
  • Spanish: pieza bucal — part of the anatomy of insects
  • Welsh: gên-rannau — part of the anatomy of insects