sprue
Speech parts
1. sprue - Noun
2. sprue - Verb
Meaning
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 dictionarySynonyms
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Examples
A large sprue well is used to dissipate the kinetic energy of the liquid material as it falls down the sprue, decreasing turbulence.
"Crowns" are planted in winter, and the first shoots appear in spring; the first pickings or "thinnings" are known as sprue asparagus.
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.
The other end of the sprue attaches to the runners.