Pronunciation: (fôr'sāl", fōr'-; Naut.fôr'sul, fōr'-), [key]
1. the lowermost sail on a foremast. See diag. under ship.
2. the staysail or jib, set immediately forward of the mainmast of a sloop, cutter, knockabout, yawl, ketch, or dandy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.