(Internet slang) Firefox (web browser)

a clock that tells time using the burning of sticks of incense or fuses

(mythology, Shinto, possibly archaic) a god of fire, another name for Kagutsuchi

(mythology) a phoenix, more specifically as in Western mythology

fireball / bolide; comet, shooting star

catch fire, be ignited

a fire-rat: an imaginary creature of ancient China resembling a white rat, thought to live in the volcanoes of the South China Sea and to have fireproof fur

a fire-rat (see above)

ember / pilot light, spark

a bonfire of dried reeds