mainmast

[ meyn-mast, -mahst; Nautical meyn-muh st ]
/ ˈmeɪnˌmæst, -ˌmɑst; Nautical ˈmeɪn məst /
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mainmast

mainmast


n.

16c., from main (adj.) + mast (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper