- an enlarged, fleshy, bulblike base of a stem, as in the crocus.
Origin of corm
1820–30; < New Latin cormus < Greek kormós a tree trunk with boughs lopped off, akin to keírein to cut off, hew
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for corm
Then cut off each stalk about two inches from its junction with the corm.Amateur Gardencraft
Eben E. Rexford
In the "corm" then, it is the disc, and not the scale-leaves, that is the great storehouse of food.Beautiful Bulbous Plants
It has acrid properties, but its corm yields a starch which is known by the name of Portland sago or arrowroot.
They tend to rise out of the ground, because the new bulb or corm forms on the top of the old one.The Practical Garden-Book
C. E. Hunn
Colchicum, kol′chi-kum, n. a genus of Liliace—the meadow saffron, its corm or seed used for gout and rheumatism.
- an organ of vegetative reproduction in plants such as the crocus, consisting of a globular stem base swollen with food and surrounded by papery scale leavesCompare bulb (def. 1)
C19: from New Latin cormus, from Greek kormos tree trunk from which the branches have been lopped
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 corm
1570s, from French corme, from Latin cornum "cornel-cherry" (but applied to service-berries in French); see cornel.
Online Etymology Dictionary, © 2010 Douglas Harper
- A fleshy underground stem that is similar to a bulb but stores its food as stem tissue and has fewer and thinner leaflike scales. The crocus and gladiolus produce new shoots from corms. Compare bulb rhizome runner tuber.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.