(1) ‘Look,’ Rueben said, and turned, pointing up to the top of the mainmast , at the crow's next.(2) Dolphin pulled past them and assaulted the outside schooner, her guns taking out the mainmast .(3) Its gun-ports were visible even at this distance, and a flag, unidentifiable, waved defiantly atop the mainmast .(4) The mainmast groaned slightly under the strain of the wind-filled sails.(5) He saw how close to the mainmast the commodore was and grinned suddenly.