Shrinking
Pronunciation : Shrink"ing
Part of Speech : a.
Definition : Defn: from Shrink. Shrinking head (Founding), a body of molten metal connected with a mold for the purpose of supplying metal to compensate for the shrinkage of the casting; -- called also sinking head, and riser.
& n.
Source : Webster's Unabridged Dictionary, 1913