A stick with a flame on one end, used chiefly as a light source; a similarly shaped implement with a replaceable supply of flammable material.

(Commonwealth) A portable light source powered by electricity; a flashlight.

(US) An arsonist.

A blowtorch or oxy-gas torch.

(science fiction) A torch drive ("a spacecraft engine which produces thrust by nuclear fusion").

To set fire to, especially by use of a torch (flaming stick).

(science fiction) To travel in a spacecraft propelled by a torch drive ("a spacecraft engine which produces thrust by nuclear fusion").