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[ren-uh-fawrm, ree-nuh-] /ˈrɛn əˌfɔrm, ˈri nə-/
a reniform leaf; hematite in reniform masses.
Origin of reniform
From the New Latin word rēniformis, dating back to 1745-50. See reni-, -form
Related forms
subreniform, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for reniform
Historical Examples
  • Globose glands are small globes, reniform glands are kidney-shaped.

    The Peaches of New York U. P. Hedrick
  • Listed as a large and beautiful variety with reniform glands.

    The Peaches of New York U. P. Hedrick
  • A variety with reniform glands; recommended for central France.

    The Peaches of New York U. P. Hedrick
  • In Hygrophorus they are rather irregular, reniform, or compressed in the middle.

    Fungi: Their Nature and Uses Mordecai Cubitt Cooke
  • reniform, or Kidney-shaped (Fig. 131), like the last, only rounder and broader than long.

  • Indusium delicate, often reniform, or shaped like a horseshoe, in some forms confluent at maturity.

    The Fern Lover's Companion George Henry Tilton
  • The glands on the leaf-stalk or leaf of the peach are globose, reniform or mixed; on the almond, the glands are globose.

    The Peaches of New York U. P. Hedrick
  • On the other hand, old, partly decayed, globose glands frequently have much the appearance of reniform glands.

    The Peaches of New York U. P. Hedrick
  • A very large, yellow, late peach with small flowers and reniform glands.

    The Peaches of New York U. P. Hedrick
  • Carmine is a freestone peach of American origin, with reniform glands and small flowers.

    The Peaches of New York U. P. Hedrick
British Dictionary definitions for reniform


having the shape or profile of a kidney: a reniform leaf, a reniform mass of haematite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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reniform in Medicine

reniform ren·i·form (rěn'ə-fôrm', rē'nə-)

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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reniform in Science
  (rěn'ə-fôrm', rē'nə-)   
Shaped like a kidney. Used to describe certain minerals and certain leaves.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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