mainmast

n principal mast of a sailing ship 主桅.

mail order, mail-bag, mail-order, mailbox, mailed, mailer, mailing list, mailman, mailshot, maim, main, main clause, main deck, main drag, main line, mainbrace, mainframe, mainland, mainline, mainly, mainsail, mainspring, mainstay, mainstream, maintain, maintain contact with, maintenance, maintenance order, maisonette (also maisonnette), maitre d'hotel, maize, Maj, majestic, majestically, majesty, major, major in, major premise, major-general, majority,