Standard Lemma guide

midrib

noun · 4 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈmɪdrɪb/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: M IH1 D R IH0 B Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The strengthened vein down the middle of a flower petal or simple 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: middle rib, midvein

Antonyms: none provided

2

noun

Meaning 2

The continuation of the petiole of a pinnately compound leaf around which the leaflets attach.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: middle rib, rachis

Antonyms: none provided

3

noun

Meaning 3

The shaft of a feather.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, ornithology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the vein in the center of a leaf

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: midvein

Antonyms: none provided

Broader terms: vein, nervure

History

Etymology

Etymology tree Proto-Indo-European *me Proto-Indo-European *dheh1-? Proto-Indo-European *-dhe Proto-Indo-European *médhi Proto-Indo-European *-os Proto-Indo-European *médhyos Proto-Germanic *midjaz Proto-West Germanic *midi Old English midd Middle English mid English mid English mid- English rib English midrib From mid- + rib.

Across languages

Translations

6 source translations are retained for this English entry.

  • Central Bikol: gihoy — strengthened vein down the middle of a flower petal or simple leaf or leaflet
  • Finnish: keskiruoti — strengthened vein down the middle of a flower petal or simple leaf or leaflet
  • Māori: tuaka — strengthened vein down the middle of a flower petal or simple leaf or leaflet
  • Māori: karawhā — strengthened vein down the middle of a flower petal or simple leaf or leaflet
  • Polish: żyłka — strengthened vein down the middle of a flower petal or simple leaf or leaflet
  • Tagalog: tingting — strengthened vein down the middle of a flower petal or simple leaf or leaflet
Real reading context

midrib in complete knowledge articles