1) Air current heading skyward 2) Blowing gust 3) Draft 4) Draught 5) It gives hang gliders a lift 6) It lifts a kite 7) Kite aid 8) Kite lifter 
A small scale current of air with vertical motion. If there is enough moisture, then it may condense, forming a cumulus cloud, the first step towards thunderstorm development. Contrast with a downdraft.
A small-scale current of rising air. This is often associated with cumulus and cumulonimbus clouds.
An upward current of air, usually within a thundercloud.
Upward movement of air.
[n] - a strong upward air current
noun a strong upward air current
Air that rises when the wind meet a ridge or rock outcrop.
Air that rises when the wind meet a ridge or rock outcrop.
the movement upward of air or other gas.