megasporophyll

[ meg-uh-spawr-uh-fil, -spohr- ]
/ ˌmɛg əˈspɔr ə fɪl, -ˈspoʊr- /

noun Botany.

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. 2019

British Dictionary definitions for megasporophyll

megasporophyll
/ (ˌmɛɡəˈspɔːrəfɪl) /

noun

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

Science definitions for megasporophyll

megasporophyll
[ mĕg′ə-spôrə-fĭl′ ]

A leaflike structure that bears megasporangia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.