See also: Culm
- waste coal, used as a poor quality fuel; slack.
1887, Homer Greene, chapter XXI, in Burnham Breaker:
- Here he lay down on a place soft with culm, to take his contemplated rest, and, before he was aware of it, sleep had descended on him, overpowered him, and bound him fast.
- anthracite, especially when found in small masses
culm (plural culms)
stem of a grass or sedge