
1) Coal dust 2) Coal refuse 3) Jointed stem of a grass 4) Refuse coal screenings 5) River in Somerset and Devon 6) Slack 7) Stalk 8) Stem
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https://www.crosswordclues.com/clue/culm

1) Stem
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https://www.crosswordclues.com/clue/culm
[plant] 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. ==Malting== In the production of malted grains the culms refer to the rootlets of the germinated grains. The cul...
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http://en.wikipedia.org/wiki/Culm_(plant)

in grasses, sedges, rushes, and some other monocotyledons, an aerial stem bearing the inflorescence; strictly, from the base of the plant to the lowest involucral bract (or base of the inflorescence).
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http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

the aerial stem of grasses, sedges, rushes and other monocots, bearing the cauline leaves and the inflorescence
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http://florabase.dpaw.wa.gov.au/help/glossary

stem of grass or sedge
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http://phrontistery.info/c.html

• (n.) The waste of the Pennsylvania anthracite mines, consisting of fine coal, dust, etc., and used as fuel. • (n.) The stalk or stem of grain and grasses (including the bamboo), jointed and usually hollow. • (n.) Mineral coal that is not bituminous; anthracite, especially when found in small masses.
Found on
http://thinkexist.com/dictionary/meaning/culm/

(from the article `bamboo`) The woody, hollow aerial stems (culms) of bamboo grow in branching clusters from a thick underground stem (rhizome). The culms often form a dense ... ...many dicotyledons, but of fine, fibrous roots. Corms and bulbs are sometimes present and prop roots may develop from the lower nodes or joints of ... [2 r...
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http://www.britannica.com/eb/a-z/c/167

a hollow or pithy slender stem such as is found in the grasses and sedges
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http://www.calflora.net/botanicalnames/botanicalterms.html

The hollow stem of grasses and bamboos.
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http://www.encyclo.co.uk/local/20901

<plant biology> An aerial stem (in grasses, sedges, rushes, etc.) which bears flowers. ... (06 Aug 1998) ...
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http://www.encyclo.co.uk/local/20973

a hollow or pithy slender stem such as is found in the grasses and sedges
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http://www.encyclo.co.uk/local/21767

The stem of a grass or grasslike plant, especially one bearing an inflorescence.
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http://www.encyclo.co.uk/local/22034

A monocotyledonous stem which is usually hollow except at the nodes or joints.
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http://www.encyclo.co.uk/visitor-contributions.php
Culm (kŭlm)
noun [ Latin
culmus stalk, stem; akin to
calamus . See
Halm .]
(Botany) The stalk or stem of grain and grasses (including the bamboo), jointed and usually hollow.
Found on
http://www.encyclo.co.uk/webster/C/200
Culm noun [ Perh. from W.
cwlm knot or tie, applied to this species of coal, which is much found in balls or knots in some parts of Wales: confer Middle English
culme smoke, soot.]
(Min.) (a) Mineral coal that is not bituminous; anthracite, especially when found in small mas...
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http://www.encyclo.co.uk/webster/C/200

The stem of sedges and grasses, and similar plants.
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http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

In botany a culm is the jointed and usually hollow stem of grasses, generally herbaceous, but woody and tree-like in the bamboo.
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http://www.probertencyclopaedia.com/browse/BCA.HTM

Culm is a name given to mineral coal that is not bituminous especially when it is found in small masses or dust. The term culm is also applied to a kind of impure anthracite coal.
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http://www.probertencyclopaedia.com/browse/HC.HTM

[
n] - stem of plants of the Gramineae
Found on
http://www.webdictionary.co.uk/definition.php?query=culm
noun stem of plants of the Gramineae
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https://www.encyclo.co.uk/local/20974

coal dust; slack. · anthracite, esp. of inferior grade.
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https://www.infoplease.com/dictionary/culm
No exact match found.