(n.) Specifically, a vessel furnished with a bowsprit and three masts (a mainmast, a foremast, and a mizzenmast), each of which is composed of a lower mast, a topmast, and a topgallant mast, and square-rigged on all masts. See Illustation in Appendix.
SHIP
Meaning of SHIP in English
Webster's English dictionary. Английский словарь Webster. 2012