I.a striking together, a collision.
I. Prop.: “duorum inter se corporum,” Quint. 3, 6, 6.—Esp., a conflict, combat: “totius exercitus,” Gell. 7 (6), 3, 1.—
II. Trop., a contest, conflict: “rerum contrariarum et dissimilium et inter se pugnantium,” Cic. Part. Or. 16, 55; 29, 102; 30, 104; Quint. 3, 6, 4; 3, 6, 11; 7, 1, 18.