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midrib

[ mid-rib ]
/ ˈmɪdˌrɪb /
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noun Botany.

the central or middle rib of a leaf.

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Origin of midrib

First recorded in 1690–1700; mid- + rib1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use midrib in a sentence

British Dictionary definitions for midrib

midrib
/ (ˈmɪdˌrɪb) /

noun

the main vein of a leaf, running down the centre of the blade
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

Scientific definitions for midrib

midrib
[ mĭdrĭb′ ]

The central or main vein of a leaf, as in eudicots, magnoliids, and ferns. Midribs generally protrude from the underside of leaves with pinnate venation. See more at venation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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