[ kawrm ]
/ kɔrm /

noun Botany.

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


corm·like, adjectivecor·moid, adjectivecor·mous, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for corm

British Dictionary definitions for corm

/ (kɔːm) /


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)

Derived forms of corm

cormous, adjective

Word Origin for corm

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

Science definitions for corm

[ kôrm ]

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.