Any of various small, tailed amphibians of the order Caudata, having porous scaleless skin and usually two pairs of limbs of equal size, found chiefly in northern temperate regions. A mythical creature, generally resembling a lizard, believed capable of living in or withstanding fire. In the occult philosophy of Paracelsus, a being having fire as its element. An object, such as a poker, used in fire or capable of withstanding heat. Metallurgy A mass of solidified material, largely metallic, left in a blast-furnace hearth. A portable stove used to heat or dry buildings under construction.