culm noun³. [kʌlm] M17.
[Latin culmus.]
Botany. The stem of a plant; esp. the jointed stem of grasses and sedges.

[TahlilGaran] English Dictionary ▲

culm noun².rare. L16-E19.
[Abbreviation of CULMEN.]
The summit, the culminating point.

[TahlilGaran] English Dictionary ▲

culm noun¹. [kʌlm] ME.
[Prob. rel. to COAL noun.]
1. Soot, smut. obsolete exc. Scot. ME.

2. Coal-dust, slack, esp. of anthracite. E17.

3. Anthracite. M18.

4. Geology. (Also Culm.) The material of a set of Carboniferous strata (the Culm Measures) in SW England, mostly shale and limestone with occasional thin coal seams. Also, this set of strata. M19.

[TahlilGaran] English Dictionary ▲