braze /bɹeɪz/verb 3noun 1forms 3 verb3 •To join two metal pieces, without melting them, using heat and diffusion of a jointing alloy of capillary thickness. •To cover with brass, or as with brass. •(no longer used) To burn or temper in fire. noun1 •A kind of small charcoal used for roasting ore.Roasting the ores is done with the charcoal braze (or fine charcoal from the charring) in heaps of thirty feet width, fifty-feet length and twenty feet height, containing 3,200 tons. — 1877 formsbrazed · brazing · brazes