Examples from the Web for mainsheet
An hour later the mainsheet was hanging in the water and the boat drifted with the tide.Our Casualty And Other Stories|James Owen Hannay, AKA George A. Birmingham
As the vessel came up, the mainsheet was yanked in by all hands, and then the men ran to the stations.The Viking Blood|Frederick William Wallace
Hands by the clue-garnets and buntlines—man the mainsheet—let go those leech-lines, youngster—haul aboard.The King's Own|Captain Frederick Marryat
The mainsail, half set, banged noisily and the mainsheet blocks lashed terrifically to and fro.A Floating Home|Cyril Ionides
Reaching or going free you work the mainsheet and jibsheet alternately as best you can.Yachting Vol. 2|Various.