- a city on N Long Island, in SE New York.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for smithtown
I grew up in Smithtown, Long Island, and the suburbs had a boom.Soledad O'Brien's Next Chapter: 'The War Comes Home,' Her CNN Departure, and the State of News
August 13, 2014
As it was, he saw only Tesla's Smithtown tower with its head like a young mushroom.The Man Who Rocked the Earth
This "Fresh pond" was at the northwest bounds of the town of Smithtown.