/fyooh zayn", fyooh"zayn/ ; Fr. /fyuu zaonn"/ , n. , pl. fusains /-zaynz", -zaynz/ ; Fr. /-zaonn"/ for 2.
1. a fine charcoal used in drawing, made from the wood of the spindle tree.
2. a drawing made with this charcoal.
3. a blackish-gray, friable component of coal with a silky luster that leaves a charcoallike mark.
[ 1865-70; fusagin- (s. of * fusago ), deriv. of L fusus spindle ]