culm
/kʌlm/
noun
- The stem of a grass or similar plant, especially one that is hollow and jointed.
- The bamboo culm grew tall and straight.
- The farmer examined the culm for signs of disease.
- Each culm of wheat supported a heavy head of grain.
- Waste coal or coal dust, often used as fuel or in making briquettes.
- Piles of culm dotted the landscape near the old mine.
- They mixed culm with clay to make fuel briquettes.
- The factory burned culm to generate heat.