Definition of Old Ironsides in English:

Old Ironsides

Syllabification: Old I·ron·sides
Nickname for the frigate Constitution, the oldest commissioned vessel in the US Navy. Launched in 1797, it defeated four British frigates in the War of 1812 and is permanently berthed at the Boston Navy Yard.

Origin

early 19th century: conferred by her crew when, during her first battle with the British vessel Guerrière, the cannon balls glanced off her thick oak hull.

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar