The Collaborative International Dictionary of English v.0.48:

Izard \Iz"ard\, n. (Zool.)
   A variety of the chamois found in the Pyrenees.
   [1913 Webster]

U.S. Gazetteer Counties (2000):

Izard -- U.S. County in Arkansas
   Population (2000):    13249
   Housing Units (2000): 6591
   Land area (2000):     580.683650 sq. miles (1503.963686 sq. km)
   Water area (2000):    3.336129 sq. miles (8.640533 sq. km)
   Total area (2000):    584.019779 sq. miles (1512.604219 sq. km)
   Located within:       Arkansas (AR), FIPS 05
   Location:             36.139475 N, 91.874963 W
   Headwords:
    Izard
    Izard, AR
    Izard County
    Izard County, AR