WordNet (r) 3.0 (2006):

Houston
    n 1: the largest city in Texas; located in southeastern Texas
         near the Gulf of Mexico; site of the National Aeronautics
         and Space Administration
    2: United States politician and military leader who fought to
       gain independence for Texas from Mexico and to make it a part
       of the United States (1793-1863) [syn: Houston, Sam
       Houston, Samuel Houston]