Merrimac

[mer-uh-mak]
noun
  1. a warship (originally the Union steamer Merrimack) that the Confederates converted into an ironclad, renamed the Virginia, and used against the Monitor in 1862 in the first battle between ironclads.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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