'upcast shaft' definitions:

Definition of 'upcast shaft'

From: GCIDE
  • Upcast \Up"cast`\, n.
  • 1. (Bowling) A cast; a throw. --Shak. [1913 Webster]
  • 2. (Mining.) The ventilating shaft of a mine out of which the air passes after having circulated through the mine; -- distinguished from the downcast. Called also upcast pit, and upcast shaft. [1913 Webster]
  • 3. An upset, as from a carriage. [Scot.] [1913 Webster]
  • 4. A taunt; a reproach. [Scot.] --Sir W. Scott. [1913 Webster]