mainmast

[ meyn-mast, -mahst; Nautical meyn-muh st ]
/ ˈmeɪnˌmæst, -ˌmɑst; Nautical ˈmeɪn məst /

noun Nautical.

the second mast from forward in any ship having two or more masts, except for a yawl, ketch, or dandy.
the larger forward mast of a yawl, ketch, or dandy.
the sole mast of any of various ships, as sloops or cutters.

Origin of mainmast

First recorded in 1475–85; main1 + mast1

Example sentences from the Web for mainmast

British Dictionary definitions for mainmast

mainmast
/ (ˈmeɪnˌmɑːst) /

noun

nautical the chief mast of a sailing vessel with two or more masts, being the foremast of a yawl, ketch, or dandy and the second mast from the bow of most others