orsa, ōrum, n. [ordior].
I Beginnings , commencements , an undertaking , attempt : ut (di) orsis tanti operis successus prosperos darent, Liv. praef. fin. : Orsa juvare, Val. Fl. 1, 21.—
II In partic., words , speech (poet.): sic orsa vicissim Ore refert, Verg. A. 7, 435; 10, 632; 11, 124; Val. Fl. 5, 472: Menandri, i. e. carmina, Aus. Idyll. 4, 46.