Os·cin·i·an n. Zool. One of the Oscines, or singing birds.
Os·cin·i·an, n. Zool. Any one of numerous species of dipterous flies of the family Oscinidae.
Note: ☞ Some, whose larvae live in the stalks, are very destructive to barley, wheat, and rye; others, as the barley fly (Oscinis frit), destroy the heads of grain.
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