[ stip-yool ]
/ ˈstɪp yul /

noun Botany.

one of a pair of lateral appendages, often leaflike, at the base of a leaf petiole in many plants.

Nearby words

  1. stippled epiphysis,
  2. stippling,
  3. stipulate,
  4. stipulation,
  5. stipulatory,
  6. stipuliform,
  7. stir,
  8. stir up,
  9. stir up a hornets' nest,
  10. stir-crazy

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for stipule


/ (ˈstɪpjuːl) /


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



"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

Science definitions for stipule


[ stĭpyōōl ]

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.