foremast (noun)
1
(nautical) The mast nearest the bow, on a sailing ship with more than one mast or a non-sailing ship with any masts; the second-tallest mast on a full-rigged ship.
(nautical) The mast nearest the bow, on a sailing ship with more than one mast or a non-sailing ship with any masts; the second-tallest mast on a full-rigged ship.