A small Solar System body consisting mainly of volatile ice, dust and particles of rock whose very eccentric solar orbit periodically brings it close enough to the Sun that the ice vaporises to form an atmosphere, or coma, which may be blown by the solar wind to produce a visible tail.
Any of several species of hummingbird found in the Andes.
A celestial phenomenon with the appearance of such a body.
A torch drive ("a spacecraft engine which produces thrust by nuclear fusion").
An arsonist.
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 blowtorch or oxy-gas torch.
A portable light source powered by electricity; a flashlight.
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").