Definition of sprues:
(n) :
(metallurgy) A channel through which molten metal is poured into the mold during the casting process.
(n) :
(metallurgy) Material that cools in the feed channels to a mold.
(n) :
(medicine) A tropical disease causing a sore throat and tongue, and disturbed digestion; psilosis.
(v) :
To remove the sprues (material left in feed channels) from a cast piece.