To join two metal pieces together by melting and flowing a filler metal into the joint. The technician decided to braze the copper pipes to ensure a strong and leak-proof connection.
To coat, cover, or ornament (a surface) with brass or a brass-like layer. The artisan brazed the iron sculpture to give it a warm, golden hue.
(Archaic) To harden or make shameless, as if by turning to brass. Years of ruthless politics had brazed his conscience against pity.