proso millet(redirected from Prosso millet)
Also found in: Medical.
An annual grass (Panicum miliaceum) having a large drooping panicle and adapted to dry soils, widely cultivated in prehistoric Eurasia for its grain and now grown in North America chiefly for birdseed and livestock feed. Also called broomcorn millet, common millet.
[Russian or Polish proso, millet.]