excursiō ōnis, f 1 CEL-, a running out, running forth. (oratoris) moderata eaque rara, i. e. a stepping forwards.

— A sally, excursion, inroad, invasion, expedition: equitatūs: ex oppido, Cs.: finīs ab excursionibus tueri: oram infestam excursionibus facere, L.

—Fig., an outset, opening: prima orationis.