What is the meaning of Torch?

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.

A portable light source powered by electricity; a flashlight.

An arsonist.

A blowtorch or oxy-gas torch.

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

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

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

Alternative form of torche

torque (tightly braided collar)

coil, ring, wreath

Source: wiktionary.org