烏煤
Fusain \Fu"sain"\, n. [F., the spindle tree; also, charcoal made
from it.] (Eine Arts)
(a) Fine charcoal of willow wood, used as a drawing
implement.
(b) A drawing made with it. See {Charcoal}, n. 2, and
{Charcoal drawing}, under {Charcoal}.
fusain
n : a stick of black carbon material used for drawing [syn: {charcoal}]