San Antonian
noun
San An·to·ni·an
ˌsanən‧ˈtōnēən 
-nan‧-,
-naan‧-
plural -s
: a native or resident of San Antonio, Texas
Cite this Entry
“San Antonio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/San%20Antonio. Accessed 10 Jun. 2026.
Copy CitationGeographical Definition
San Antonio
geographical name
San An·to·nio
ˌsan-ən-ˈtō-nē-ˌō
1
river about 200 miles (322 kilometers) long in southern Texas flowing southeast into the Gulf of Mexico
2
city on the San Antonio River in southern Texas population 1,327,407
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