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culm

1
[ kuhlm ]
/ kʌlm /
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noun
coal dust; slack.
anthracite, especially of inferior grade.
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Origin of culm

1
1300–50; Middle English colme, probably equivalent to colcoal + -m suffix of uncertain meaning (compare -m in Old English fæthm fathom, wæstm growth)

Other definitions for culm (2 of 2)

culm2
[ kuhlm ]
/ kʌlm /

noun
a stem or stalk, especially the jointed and usually hollow stem of grasses.
verb (used without object)
to grow or develop into a culm.

Origin of culm

2
1650–60; <Latin culmus stalk; akin to calamus, haulm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use culm in a sentence

British Dictionary definitions for culm (1 of 3)

culm1
/ (kʌlm) /

noun mining
coal-mine waste
inferior anthracite

Word Origin for culm

C14: probably related to coal

British Dictionary definitions for culm (2 of 3)

culm2
/ (kʌlm) /

noun
the hollow jointed stem of a grass or sedge

Word Origin for culm

C17: from Latin culmus stalk; see haulm

British Dictionary definitions for culm (3 of 3)

Culm

Culm Measures


noun
a formation consisting mainly of shales and sandstone deposited during the Carboniferous period in parts of Europe

Word Origin for Culm

C19: from culm 1
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 culm

culm
[ kŭlm ]

The stem of a grass or similar plant.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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