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1. A city of northern Texas, a suburb of Dallas-Fort Worth.
2. A county and unincorporated city of northern Virginia across the Potomac River from Washington, DC. Mainly residential, it is the site of Arlington National Cemetery (established in 1864), where American war dead and other notables are buried.
(Placename) a county of N Virginia: site of Arlington National Cemetery
Ar•ling•ton(ˈɑr lɪŋ tən)
1. a county in NE Virginia, opposite Washington, D.C.: site of national cemetery (Ar′lington Na′tional Cem′etery). 175,334.
2. a city in N Texas. 294,816.