reniform
UK /ˈɹɛnɪfɔːm/ · US /ˈɹɛnəˌfɔɹm/ adjective
- adjective (chiefly biology, mineralogy) Synonym of kidney-shaped (“having an approximately circular or elongated ovoid shape with an inward curve or indentation on one side”). “intussusception with a reniform appearance”
- adjective (botany) Of a leaf: kidney-shaped, with the petiole attached at the notch.
Synonyms
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”).
Webster’s 1913
Etymology [L. renes kidneys + -form: cf. F. réniforme.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “reniform”, CC BY-SA 4.0. Details