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An ancient city of central Italy northwest of Rome. Head of the Etruscan League, it was defeated by Roman forces in the fourth century bc and lost its independence in the third century. The modern village of Tarquinia has a museum displaying notable Etruscan antiquities.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.