Webster's Dictionary 
(1): ( n.) An unaccompanied part song for three or more solo voices. It is not necessarily gleesome.
(2): ( n.) Music; minstrelsy; entertainment.
(3): ( n.) Joy; merriment; mirth; gayety; paricularly, the mirth enjoyed at a feast.
Vine's Expository Dictionary of NT Words 
Acts 27:4,7 Acts 27:16RunSail.