Arlington. 1 Town (1990 pop. 44,630), Middlesex co., E Mass., a residential suburb of Boston; settled c.1630 as Menotomy, inc. as West Cambridge 1807, renamed Arlington 1867. The area was the scene of fierce fighting after the battles of Lexington and Concord in 1775. Some 17th-century buildings remain.
2 Industrial city (1990 pop. 261,721), Tarrant co., N Tex., largest of the "Mid-Cities" between Dallas and Fort Worth; inc. 1896. Arlington had a population increase of over 64% between 1980 and 1990 and remains a fast growing city. It produces motor vehicles and parts; transportation, medical, electronic, and oil-field equipment; and rubber and plastic products. Six Flags over Texas, a huge theme park, is there, and the city is home to the Texas Rangers baseball team and Dallas Cowboys football team. It is also the seat of the Univ. of Texas at Arlington.
3 City, N Va., coextensive with Arlington co.