Definition of "flyboat" in English

noun

1. A large flat-bottomed Dutch coasting vessel.

   • August 14, 1595, Thomas Treffry, letter to Sir Robert Cecil a ship of Bristol was chased into this harbour by two Spanish fly-boats, and they report […] that there are five men of war, Spanish, in the road of Conquet

2. A kind of passenger boat formerly used on canals.