- having the shape or profile of a kidney: a reniform leaf, a reniform mass of haematite
WordReference Random House Unabridged Dictionary of American English © 2026
ren•i•form
(ren′ə fôrm′, rē′nə-),USA pronunciation adj.
- Botanykidney-shaped:a reniform leaf; hematite in reniform masses.
- Neo-Latin rēniformis. See reni-, -form
- 1745–50
Collins Concise English Dictionary © HarperCollins Publishers::
reniform /ˈrɛnɪˌfɔːm/ adj
'reniform' also found in these entries (note: many are not synonyms or translations):