Definitions for galleassˈgæl iˌæs
Random House Webster's College Dictionary
a fighting galley, lateen-rigged on three masts, used in the Mediterranean Sea from the 15th to the 18th centuries.
Category: Nautical, Navy
Origin of galleass:
1535–45; < OF galleasse, galiace < Venetian galeaza
A type of rowable vessel similar to but larger than galleys used in 16th and 17th century. A galleass was normally equipped with sails.
a large galley, having some features of the galleon, as broadside guns; esp., such a vessel used by the southern nations of Europe in the 16th and 17th centuries. See Galleon, and Galley