Culm, in botanical context, originally referred to a stem of any type of plant.
From the en.wikipedia.org
In America, culm is used as an equivalent for waste or slack in anthracite mining.
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Culm Valley Badminton has thriving membership and welcome new players.
From the middevonstar.co.uk
Culm Natural Networks was the only successful applicant from Devon.
From the middevonstar.co.uk
In the next year, the pulpy wall of each culm or stem slowly hardens.
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If so, use clumping bamboo with small leaves, so you'll have less litter from the culm sheaths.
From the chron.com
Culm House emerged as the tournament's overall winners followed by joint runners-up Dart and Lowman.
From the middevonstar.co.uk
Culm Valley YFC Disco, venue to be confirmed, 9pm-1am.
From the thisisbristol.co.uk
With farm incomes declining, the traditional practices used to manage culm grassland have become harder to justify.
From the middevonstar.co.uk
More examples
Stem of plants of the Gramineae
Culm, in botanical context, originally referred to a stem of any type of plant. It is derived from the Latin word for 'stalk' (culmus) and now specifically refers to the above-ground or aerial stems of grasses and sedges.
Waste coal, used as a poor quality fuel; slack
N. the stalk or stem for grasses and sedges and related plants, usually jointed and hollow. See illustration.
The central axis of the flowering shoot of grasses, comprised of distinct nodes and internodes, each node bearing a leaf. The upper-most culm internode supporting the seed head is called the peduncle.
The main stem of a grass plant that grows above ground. The culms of bamboo are large and woody, as compared to other grasses. Often referred to as "canes".
The stem in grasses, includes overlapping leaf sheaths.
A stem, such as that of a grass, consisting of hollow sections interrupted by solid nodes.
A stem which is hollow except at the nodes, as are the bamboo canes.