What is another word for "ditch"?

Roget's Thesaurus (1911) lists these synonyms for "ditch": and, arm, armlet, artesian, balustrade, barricade, barrier, bay, bayou, belt, bent, bight, bisulcate, bisulcous, bite, blanket, book, boring, broad, canaliculated, case, caught, chamfer, channel, circumscribe, circumvallation, cold, commonplace, conte, continental, cordon, corduroy, corral, costate, cove, covered, crack, cradle, creek, dam.