To Upcast

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. Antonym: downcast
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