Noun houston has 2 senses
- Houston - the largest city in Texas; located in southeastern Texas near the Gulf of Mexico; site of the National Aeronautics and Space Administration
--1 is a kind of city, metropolis, urban center; port
--1 is a part of Texas, Lone-Star State, TX
- Houston, Sam Houston, Samuel Houston - 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)
--2 is a kind of politician, politico, pol, political leader; general, full general
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