Standard Lemma guide

pulvinus

noun · 1 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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  • /pʌlˈvaɪnəs/
  • /pəlˈvaɪnəs/
  • rhymes with -aɪnəs

1

noun

Meaning 1

A joint on a plant leaf or petiole that may swell and cause movement of the leaf or leaflet.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Learned borrowing from Latin pulvīnus (“cushion, pillow, bolster”). Doublet of pillow, polverine, pulvino, pulvillus, and pulvinulus, as well as others.

Across languages

Translations

1 source translations are retained for this English entry.

  • Polish: poduszeczka liściowa — joint on a plant leaf or petiole