mainsail
noun
- sail rigged on the main mast of a sailing vessel
Wiktionary
Pronunciation: /ˈmeɪnseɪl/ / /ˈmeɪnsəl/
noun
Etymology: Etymology tree English main English sail English mainsail From main + sail.
- The largest (or only) sail on a sailing vessel.
“The mainsail was "scandalised" - a nautical mode of describing a sail reefed at both ends[.]”
“Now stow the mainsail as follows, preferably with the sail still lying in the starboard cockpit: beginning at the head, fold the upper section so that the upper two battens are aligned together; then tightly roll the sail from the head down to the foot. Reinsert the sail into its bag.”