Merrimack Hear it!

Merrimack¹ Definition

Mer·ri·mack (mer′ə mak′)

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

Merrimack² Definition

Mer·ri·mack (mer′ə mak′)

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

Etymology: < AmInd, ? place of swift current