a broad avenue in a city, usually having areas at the sides or center for trees, grass, or flowers.

Also called boulevard strip. Upper Midwest . a strip of lawn between a sidewalk and the curb.

noun

artery , avenue , drag , highway , passage , path , road , thoroughfare , track , way , drive , expressway , freeway , roadway , route , street , superhighway , thruway , turnpike , associated word: boulevardier , concourse