'O Trifole' definitions:

Definition of 'O Trifole'

From: GCIDE

Fritfly \Frit"fly`\, n. (Zool.) A small dipterous fly of the genus Oscinis, esp. {O. vastator}, injurious to grain in Europe, and O. Trifole, injurious to clover in America. [Webster 1913 Suppl.]