WordNet (r) 3.0 (2006):

round top
    n 1: a canvas tent to house the audience at a circus
         performance; "he was afraid of a fire in the circus tent";
         "they had the big top up in less than an hour" [syn:
         circus tent, big top, round top, top]

U.S. Gazetteer Places (2000):

Round Top, TX -- U.S. town in Texas
   Population (2000):    77
   Housing Units (2000): 58
   Land area (2000):     0.955889 sq. miles (2.475742 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.955889 sq. miles (2.475742 sq. km)
   FIPS code:            63524
   Located within:       Texas (TX), FIPS 48
   Location:             30.065060 N, 96.696614 W
   ZIP Codes (1990):     78954
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Round Top, TX
    Round Top