1) Air duct 2) Air passage 3) Airway 4) Directed aloft 5) Directed skyward 6) Facing the sky 7) Flung skyward 8) Like eyes looking skyward 9) Looking skyward 10) Thrown above 11) Thrown in the air 12) Thrown skyward 13) Tossed skyward 14) Turned toward the sky 15) Ventilating shaft in a mine 1) Raise 
upward throw; material thrown up
• (a.) Cast up; thrown upward; as, with upcast eyes. • (n.) An upset, as from a carriage. • (n.) A taunt; a reproach. • (n.) 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. • (v. t.) To cast or...
Upcast is the soil and earth removed when digging a hole or pit.
a cast from a derived class to one of its bases. See also: downcast, crosscast. TC++PL 15.4.
[n] - air passage consisting of a ventilation shaft through which air leaves a mine
noun air passage consisting of a ventilation shaft through which air leaves a mine