The Collaborative International Dictionary of English v.0.48:

maraud \ma*raud"\, v. i. [imp. & p. p. Marauded; p. pr. & vb.
   n. Marauding.] [F. marauder, fr. maraud vagabond, OF.
   marault; of uncertain origin, perh. for malault, fr.
   (assumed) LL. malaldus; fr. L. malus bad, ill + a suffix of
   German origin (cf. Herald). Cf. Malice.]
   To rove in quest of plunder; to make an excursion for booty;
   to plunder. "Marauding hosts." --Milman.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Maraud \Ma*raud"\, n.
   An excursion for plundering.
   [1913 Webster]

WordNet (r) 3.0 (2006):

maraud
    n 1: a sudden short attack [syn: foray, raid, maraud]
    v 1: raid and rove in search of booty; "marauding rebels overran
         the countryside"

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "maraud":
   depredate, despoil, fleece, forage, foray, freeboot, gut, harass,
   harry, loot, pillage, plunder, prey on, raid, ransack, ravage,
   raven, ravish, reive, rifle, sack, spoil, spoliate, sweep