Definition of malt

• n. - Barley or other grain, steeped in water and dried in a kiln, thus forcing germination until the saccharine principle has been evolved. It is used in brewing and in the distillation of whisky.
• a. - Relating to, containing, or made with, malt.
• v. t. - To make into malt; as, to malt barley.
• v. i. - To become malt; also, to make grain into malt.