1) Equipped with poles 2) Furnished with a spar 3) Like a brig 4) Like sailboats 5) Like sailing ships 6) Like schooners 7) Spar 
• (imp. & p. p.) of Mast • (a.) Furnished with a mast or masts; -- chiefly in composition; as, a three-masted schooner.
Mast'ed adjective Furnished with a mast or masts; -- chiefly in composition; as, a three- masted schooner. 
[adj] - having or furnished with a mast
adjective having or furnished with a mast; often used in combination; `probably was so masted when she set forth`- S.E.Morrison; `a three-masted bark`