1. A broad city street, often tree-lined and landscaped. 2.Upper Midwest See parking (sense 3). See Regional Note at parking. 3.Chiefly Midwestern U.S. See median strip. See Regional Note at neutral ground.
ETYMOLOGY:
French, from Old French bollevart, rampart converted to a promenade, from Middle Dutch bolwerc, bulwark. See bulwark.