1. sprue - Noun
2. sprue - Verb
Strictly, the hole through which melted metal is poured into the gate, and thence into the mold.
The waste piece of metal cast in this hole; hence, dross.
Same as Sprew.
Source: Webster's dictionaryA large sprue well is used to dissipate the kinetic energy of the liquid material as it falls down the sprue, decreasing turbulence. Source: Internet
"Crowns" are planted in winter, and the first shoots appear in spring; the first pickings or "thinnings" are known as sprue asparagus. Source: Internet
The choke, which is the smallest cross-sectional area in the gating system used to control flow, can be placed near the sprue well to slow down and smooth out the flow. Source: Internet
The other end of the sprue attaches to the runners. Source: Internet