Standard Lemma guide

reniform

adj · 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

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.

  • Received-Pronunciation: /ˈɹɛnɪfɔːm/
  • Received-Pronunciation: /ˈɹiː-/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ˈɹɛnəˌfɔɹm/
  • General-American: /ˈɹiː-/
  • General-American: /-nɪ-/

1

adj

Meaning 1

Synonym of kidney-shaped (“having an approximately circular or elongated ovoid shape with an inward curve or indentation on one side”).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences

Examples

  • intussusception with a reniform appearance
  • multiple reniform circumscribed fat-containing masses

Meaning relationships

Synonyms: kidney-shaped

Antonyms: none provided

2

adj

Meaning 2

Synonym of kidney-shaped (“having an approximately circular or elongated ovoid shape with an inward curve or indentation on one side”).

Of a leaf: kidney-shaped, with the petiole attached at the notch.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, botany, chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

(of a leaf or bean shape) resembling the shape of kidney

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: kidney-shaped

Antonyms: none provided

History

Etymology

Learned borrowing from Latin rēnis (the genitive singular of rēn (“kidney”); see further at that entry) + English -form (suffix meaning ‘having the form or shape of’), modelled after New Latin rēnifōrmis (“of seeds: kidney-shaped”).

Across languages

Translations

11 source translations are retained for this English entry.

  • Catalan: reniforme — synonym of kidney-shaped — see also kidney-shaped
  • French: réniforme — synonym of kidney-shaped — see also kidney-shaped
  • German: nierig — synonym of kidney-shaped — see also kidney-shaped
  • Italian: reniforme — synonym of kidney-shaped — see also kidney-shaped
  • Latin: rēnifōrmis — synonym of kidney-shaped — see also kidney-shaped
  • Romanian: reniform — synonym of kidney-shaped — see also kidney-shaped
  • Spanish: reniforme — synonym of kidney-shaped — see also kidney-shaped
  • Spanish: arriñonado — synonym of kidney-shaped — see also kidney-shaped
  • Turkish: böbreksi — synonym of kidney-shaped — see also kidney-shaped
  • Finnish: munuaismainen — of a leaf: kidney-shaped, with the petiole attached at the notch
  • Polish: nerkowaty — of a leaf: kidney-shaped, with the petiole attached at the notch