GALLEASS
Etymology
Noun
galleass (plural galleasses)
(nautical, historical) A type of rowable vessel of the 16th and 17th centuries, similar to a galley but larger, and normally equipped with sails.
Source: Wiktionary
Gal"le*ass, n. Etym: [F. galéasse, galéace; cf. It. galeazza, Sp.
galeaza; LL. galea a galley. See Galley.] (Naut.)
Definition: 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.
[Written variously galeas, gallias, etc.]
Note: "The galleasses . . . were a third larger than the ordinary
galley, and rowed each by three hundred galley slaves. They consisted
of an enormous towering structure at the stern, a castellated
structure almost equally massive in front, with seats for the rowers
amidships." Motley.
Source: Webster’s Unabridged Dictionary 1913 Edition