Incursion

Part of speech: noun (n.)

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. [Obs.] Sins of daily incursion. South.

Synonyms: Invasion; inroad; raid; foray; sally; attack; onset; irruption. See Invasion.