a mythical lizard-shaped creature believed in medieval times to be able to go unscathed through the fiercest fire, hence the application of the word to describe objects, especially cookery vessels and utensils that can withstand great heat.
a mythical lizard-shaped creature believed in medieval times to be able to go unscathed through the fiercest fire, hence the application of the word to describe objects, especially cookery vessels and utensils that can withstand great heat.