"...'Contiguous'?” she had suggested. “Perhaps the territories are contiguous,” Jacob had replied.
-- Caleb Crain, Necessary Errors, 2013
To continue, there was a third layer of the skirts of the city, from Newark and the Jersey suburbs up to bitter Connecticut and the ineligible sections of Long Island—and doubtless contiguous layers down to the city's shoes...
-- F. Scott Fitzgerald, The Beautiful and the Damned, 1922
Contiguous entered English in the early 1600s from the Latin contiguus meaning "bordering upon."