Merrimack

(merə mak′)

or Merrimac

noun

a U.S. frigate armored by the Confederates and engaged by the Monitor, a Union ironclad, in the first battle (1862) between ironclads: Confederate name, Virginia

river flowing from S N.H. through NE Mass. into the Atlantic: 110 mi (177 km)

Origin: < AmInd, ? place of swift current

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