Source : Webster's Revised Unabridged Dictionary (1913)

brasilein \bra*sil"e*in\, {C16H12O5}, to which brazilwood owes
   its dyeing properties. Brasque \Brasque\, n. [F.] (Metal.)
   A paste made by mixing powdered charcoal, coal, or coke with
   clay, molasses, tar, or other suitable substance. It is used
   for lining hearths, crucibles, etc. Called also {steep}.