Foray

[Sarah]

A sudden or irregular incursion in border warfare; hence, anyirregular incursion for war or spoils; a raid. Spenser.The huge Earl Doorm, . . . Bound on a foray, rolling eyes of prey.Tennyson.

[Sarah]

swift strike(s) or raids; normally for the desire of [booty]

[Marquetta]

a short period of time being involved in an activity that is different from and outside the range of a usual set of activities: