In all the world, Caldarium (Caudron 
, Chaudron 
, Chowder 
) is a very rare mostly boy's, but infrequently girly first name. The first name Caldarium is characteristic of Belgium, where it is a very rare boy's name, France, where it is a very rare gender-neutral name, and China, where it is an extremely rare male name. Predominantly, Caldarium is the last name as well as the forename.