1. plural of maintop; platforms at the head of the mainmast on a sailing ship
Usage: nautical

Examples

• The sailors climbed up to the maintops to adjust the rigging.
• From the maintops, the lookout could see for miles across the ocean.
• The ship’s maintops provided a secure platform for working with the upper sails.
• During the storm, crew members secured themselves to the maintops.
• The maintops were essential for handling the topsails on large sailing vessels.