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definitions

stipule

[stip-yool]
See more synonyms for stipule on Thesaurus.com
noun Botany.
  1. one of a pair of lateral appendages, often leaflike, at the base of a leaf petiole in many plants.

Origin of stipule

1785–95; < Latin stipula stalk, noun use of feminine of *stipulus firm (recorded in LL); akin to stipes
Related formsstip·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for stipule

needle, stalk, frond, petal, scale, blade, leaflet, flag, pad, bract, stipule, petiole, foliole
British Dictionary definitions for stipule

stipule

noun
  1. a small paired usually leaflike outgrowth occurring at the base of a leaf or its stalk
Derived Formsstipular (ˈstɪpjʊlə), adjective

Word Origin for stipule

C18: from Latin; see stipe, stipes
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
Word Origin and History for stipule
n.

"small appendage at the base of the petiole of a leaf," 1793, from French stipule, from Latin stipula "stalk (of hay), straw."

Online Etymology Dictionary, © 2010 Douglas Harper
stipule in Science

stipule

[stĭp′yōōl]
  1. One of the usually small, paired parts resembling leaves at the base of a leafstalk in certain plants, such as roses and beans.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.