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The steamer duck. Steamer duck (Zoöl.), a sea duck (Tachyeres cinereus), native of Patagonia and Terra del Fuego, which swims and dives with great agility, but which, when full grown, is incapable of flight, owing to its very small wings. Called also loggerhead, race horse, and side wheel duck.

A freight steamer having a high hatch coaming extending almost continuously fore and aft, but not of whaleback form at the sides.

A whaleback steamer with a hatch coaming, usually about seven feet high, extending almost continuously fore and aft.

Water thrown back by the turning of a waterwheel, or by the paddle wheels of a steamer.

ow off, to let steam escape through a passage provided for the purpose; as, the engine or steamer is blowing off. -- To blow out. (a) To be driven out by the expansive force of a gas or vapor; as, a steam cock or valve sometimes blows out. (b) To talk violently or abusively. [Low] -- To blow over, to pass away without…

s' bridge, Bascule bridge, Bateau bridge. See under Ass, Bascule, Bateau. -- Bridge of a steamer (Naut.), a narrow platform across the deck, above the rail, for the convenience of the officer in charge of the ship; in paddlewheel vessels it connects the paddle boxes. -- Bridge of the nose, the upper, bony part of the…

To obtain a clearance; as, the steamer cleared for Liverpool to- day. To clear out, to go or run away; to depart. [Colloq.]

To supply with coal; as, to coal a steamer.

sels of an enemy. Not being intended to fight, they may be improvised from fast passenger steamers.

A small armed vessel, usually a steamer, in the revenue marine service; -- also called revenue cutter.

Disembarkation. The debarkation, therefore, had to take place by small steamers. U. S. Grant.

The difference between the speed of a screw steamer under sail and that of the screw when the ship outruns the screw; or between the propulsive effects of the different floats of a paddle wheel. See Citation under Drag, v. i., 3. Drag sail (Naut.), a sail or canvas rigged on a stout frame, to be dragged by a vessel thr…

Appointed or required to arrive at a given time; as, the steamer was due yesterday.

at board, one of the boards fixed radially to the rim of an undershot water wheel or of a steamer's paddle wheel; -- a vane. -- Float case (Naut.), a caisson used for lifting a ship. -- Float copper or gold (Mining), fine particles of metallic copper or of gold suspended in water, and thus liable to be lost. -- Floa…

hed ore from water. Knight. -- Funnel stay (Naut.), one of the ropes or rods steadying a steamer's funnel.

ing the degree of saltness of water from its specific gravity, as in the boilers of ocean steamers. -- Sea gauge, an instrument for finding the depth of the sea. -- Siphon gauge, a glass siphon tube, partly filled with mercury, -- used to indicate pressure, as of steam, or the degree of rarefaction produced in the re…

sel sails or where she is registered; hence, to sail; to come; -- used with from; as, the steamer hails from New York.

increase the longitudinal strength and stiffness. Used chiefly in American river and lake steamers. Called also hogging frame, and hogback.

account for a fact or an occurrence; as, the hypothesis that head winds detain an overdue steamer. An hypothesis being a mere supposition, there are no other limits to hypotheses than those of the human imagination. J. S. Mill.

A lake steamer or canal boat.