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Having an even lower surface or bottom; as, a flat-bottomed boat.

A boat; esp. a flat-bottomed, clumsy boat used on the Canadian lakes and rivers. [Written also, but less properly, batteau.] Bateau bridge, a floating bridge supported by bateaux.

A flat-bottomed river barge or coasting vessel. [Eng.]

A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head.

A small, strong, flat-bottomed rowboat, with sharp prow and flaring sides.

is called a three part flask, four part flask, etc. Erlenmeyer flask, a thin glass flask, flat-bottomed and cone-shaped to allow of safely shaking its contents laterally without danger of spilling; -- so called from Erlenmeyer, a German chemist who invented it. -- Florence flask. Etym: [From Florence in Italy.] (a) Sa…

A flat-bottomed boat, without keel, and of small draught.

A flat-bottomed boat for freight. [U. S.]

vered freight boat, with a keel, but no sails, used on Western rivers. [U. S.] (b) A low, flat-bottomed freight boat. See Keel, n., 3. -- Keel piece, one of the timbers or sections of which a keel is composed. On even keel, in a level or horizontal position, so that the draught of water at the stern and the bow is the…

A flat-bottomed boat with a pointed prow and square stern, using oars or sails or both, used esp. on the upper Great Lakes and their tributaries.

A large flat-bottomed trading boat peculiar to the river Ganges; -- called also puteli.

A long, flat-bottomed canoe, used for the navigation of rivers and lagoons in Central America. Squier.

A wooden flat-bottomed boat, a metallic cylinder, or a frame covered with canvas, India rubber, etc., forming a portable float, used in building bridges quickly for the passage of troops.

A flat-bottomed boat or lighter, -- used in Holland and the Baltic, and sometimes armed in case of war. [Written also pram, and prame.]

A flat-bottomed boat with square ends. It is adapted for use in shallow waters.

A large flat-bottomed boat, having broad, square ends.

A long, sharp, flat-bottomed boat, with one or two masts carrying a triangular sail. They are often called Fair Haven sharpies, after the place on the coast of Connecticut where they originated. [Local, U.S.]

A capacious, flat-bottomed drinking cup, generally with four handles, formerly used for passing around the table at convivial entertainment.