1. Grain (esp. maize, rye, or oats) that is coarsely ground and unbolted; also, a kind of flour made from beans, pease, etc.; sometimes, any flour, esp. if coarse.
2. Any substance that is coarsely pulverized like meal, but not granulated.
Meal beetle Zool., the adult of the meal worm. See Meal worm, below.
Meal moth Zool., a lepidopterous insect (Asopia farinalis), the larvae of which feed upon meal, flour, etc.
Meal worm Zool., the larva of a beetle (Tenebrio molitor) which infests granaries, bakehouses, etc., and is very injurious to flour and meal.