Sprue
Pronunciation : Sprue
Part of Speech : n.
Etymology : [Etymol. uncertain.]
Definition : 1. (Founding) (a) Strictly, the hole through which melted metal is poured into the gate, and thence into the mold. (b) The waste piece of metal cast in this hole; hence, dross.
2. (Med.)
Defn: Same as Sprew.
Source : Webster's Unabridged Dictionary, 1913