curb (

     n 1: an edge between a sidewalk and a roadway consisting of a
          line of curbstones (usually forming part of a gutter)
          [syn: kerb]
     2: a horse's bit with an attached chain or strap to check the
        horse [syn: curb bit]
     3: a stock exchange in New York [syn: American Stock Exchange,
         AMEX, Curb]
     4: the act of restraining power or action or limiting excess;
        "his common sense is a bridle to his quick temper" [syn: bridle,
     v 1: lessen the intensity of; temper; hold in restraint; hold or
          keep within limits; "moderate your alcohol intake" "hold
          your tongue"; "hold your temper"; "control your anger"
          [syn: control, hold in, hold, contain, check,
     2: to put down by force or authority; "suppress a nascent
        uprising", "stamp down on littering" "conquer one's
        desires" [syn: suppress, stamp down, inhibit, subdue,
     3: keep to the curb; "curb your dogs"
     4: place restrictions on; "curtail drinking in school" [syn: restrict,
         curtail, cut back]