Austin /ˈɔːstɪn/adjective 1noun 1forms 2 adjective1 •Augustinian. noun1 •The capital city of Texas, United States, and the county seat of Travis County; named for American empresario Stephen F. Austin.The posterists of Austin chronicled the changing social landscape and graphically redefined Texas for the rest of the country and the world […] — 2015 formsmore Austin · most Austin