noun
culm; hollow stem of a grass
Botanical term for the hollow jointed stem of grasses such as bamboo, rice, or wheat. Not an everyday word; used in technical or agricultural contexts.
イネの稈は中空で節がある。
The culm of a rice plant is hollow and has nodes.
竹の稈は非常に強く、建材として利用される。
The culm of bamboo is very strong and is used as a building material.