- the central or middle rib of a leaf.
Origin of midrib
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for midrib
Wire must also be laid on all the side ribs or veins leading to the midrib.
The other way of working a leaf is to outline the midrib first.The Library of Work and Play: Needlecraft
Effie Archer Archer
The veins, and notably the midrib of the limb of the sepals, united underneath.Everyday Objects
W. H. Davenport Adams
It differs from Delesseria alata in having no midrib or veins.The Sea-beach at Ebb-tide
Augusta Foote Arnold
Having veins extending from the midrib to the margin, feather-wise.Michigan Trees
Charles Herbert Otis
- 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
- 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.
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