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megasporophyll

[meg-uh-spawr-uh-fil, -spohr-]
noun Botany.
  1. a sporophyll producing megasporangia only.

Origin of megasporophyll

First recorded in 1895–1900; mega- + sporophyll
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for megasporophyll

megasporophyll

noun
  1. a leaf on which the megaspores are formed: corresponds to the carpel of a flowering plantCompare microsporophyll

Word Origin for megasporophyll

C20: from mega- + sporophyll
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
megasporophyll in Science

megasporophyll

[mĕg′ə-spôr′ə-fĭl′]
  1. A leaflike structure that bears megasporangia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.