Definition of mainsheet in US English:

mainsheet

noun

  • A sheet used for controlling the mainsail of a sailing vessel.

    • ‘He let go the mainsheet - then reached over and released the halyard for the mainsail - which lowered the boom.’
    • ‘It once again tries blowing over, and I think someone else came over and uncleated the mainsheet.’
    • ‘‘Let's go,’ Scully calls, orchestrating a jury rig to handle the sail while he splices in a new mainsheet.’
    • ‘I've been passed more than once on the race course by a Laser sailor with a mainsheet clinched firmly in his teeth while I was fiddling to get something positioned just right.’
    • ‘Most 28s have tiller steering that is easily put out of the way at anchor and the mainsheet attaches aft of the cockpit so as to not interfere with passengers.’

Pronunciation

mainsheet

/ˈmānˌSHēt//ˈmeɪnˌʃit/