What is another word for "dam"?

Roget's Thesaurus (1911) lists these synonyms for "dam": abba, air, alley, ancestor, ancestral, ancestry, arm, armlet, artesian, bar, bay, bayou, belt, bight, birth, blind, block, blockade, bolt, broad, bung, button, caecal, caecum, choke, clan, clinch, close, closure, consanguinity, constipation, continental, contraction, cork, corner, cove, covered, cram, creek, cul-de-sac.