fossed,a.|fɒst| [f. fosse + -ed2.] Encircled with or as with a fosse. 1682Wheler Journ. Greece i. 60 A square Toure, or Castle, Fossed without but not very deep.1831Landor Siege AnconaWks. 1846 II. 584 Burnt-offerings raised In your high places, and fossed round with blood!