1. A running into; hence, an entering into a territory with hostile intention; a temporary invasion; a predatory or harassing inroad; a raid. The scythian, whose incursions wild Have wasted Sogdiana. (Milton) The incursions of the Goths disordered the affairs of the roman Empire. (Arbuthnot)
2. Attack; occurrence. Sins of daily incursion. (South)
Synonym: invasion, inroad, raid, foray, sally, attack, onset, irruption. See invasion.
Origin: L. Incursio: cf. F. Incursion. See Incur.