upcast

(noun, adjective, verb)

adjective

1. Cast up; thrown upward.

noun

1. air passage consisting of a ventilation shaft through which air leaves a mine

Definition categories: man–made, airway

verb

1. (transitive, obsolete) To cast or throw up; to turn upward.

2. (transitive, Scotland) To taunt; to reproach; to upbraid.

3. (transitive, computing) To cast from subtype to supertype.

4. To broadcast a message or data to aircraft or satellites, especially via radio waves; as opposed to uplinking to a specific satellite or aircraft