upcast
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