from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A moonraker (sail).
from the GNU version of the Collaborative International Dictionary of English
- n. A sail sometimes carried in light winds, above a skysail.
from The Century Dictionary and Cyclopedia
- n. Nautical, a sail set above a skysail. Also called moon-raker.
Sorry, no etymologies found.
The square sails on the mainmast are called, when eight are carried, the mainsail, lower and upper maintopsails, lower and upper maintopgallants, main-royal, main-skysail, and the moonsail.