- coal dust; slack.
- anthracite, especially of inferior grade.
Origin of culm1
1300–50; Middle English colme, probably equivalent to col coal + -m suffix of uncertain meaning (compare -m in Old English fæthm fathom, wæstm growth)
- a stem or stalk, especially the jointed and usually hollow stem of grasses.
- to grow or develop into a culm.
Origin of culm2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for culm
On such a day came Pike to the bank of Culm, with a loudly beating heart.Crocker's Hole
R. D. Blackmore
The men—the lime-burners—were not long gone, and the culm was still burning.My New Curate
As for having him at Culm Rock, it was too preposterous a thought to be entertained for a moment.
Uncle Richard was getting to be more of a mystery to him than Culm Rock had been.
You'll have a fine run down to Culm, and you must send me a line back by the skipper.
- coal-mine waste
- inferior anthracite
C14: probably related to coal
- the hollow jointed stem of a grass or sedge
C17: from Latin culmus stalk; see haulm
- a formation consisting mainly of shales and sandstone deposited during the Carboniferous period in parts of Europe
C19: from culm 1
- 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.