air terminal

noun

British a building in a city from which air passengers are taken by road or rail to an airport or the terminal building of an airport
a building at an airport from which air passengers depart or at which they arrive

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012