an ironclad vessel built by the Confederate forces in the hope of breaking the blockade imposed by the North
- Accordingly, we have also established business relationships with Sunbury & Merrimac in America.
- With the first shot fired from the deck of the Monitor at the roof-like sides of the Merrimac, in the early morning of the day named, the long reign of wooden war vessels ended; that of iron monarchs of the deep began.
- the battle between the Monitor and the Merrimac.
- a battle of the American Civil War (1862); the battle between the Monitor and the Merrimac.