Noun Definitioncurb1.Definition: a horse's bit with an attached chain or strap to check the horseCategory: Objects2.Definition: a stock exchange in New YorkRelated Noun(s):amexCategory: Objects3.Definition: an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)Related Noun(s):kerbCategory: Objects4.Definition: the act of restraining power or action or limiting excessRelated Noun(s):bridle, checkCategory: General