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Any system of rudders by which the pilot can exert a turning moment about each of the three rectangular axes of an aëroplane or airship.

A lever of wood or metal fitted to the rudder head and used for turning side to side in steering. In small boats hand power is used; in large vessels, the tiller is moved by means of mechanical appliances. See Illust. of Rudder. Cf. 2d Helm, 1.

The tail of a bird. "The train steers their flights, and turns their bodies, like the rudder of ship." Ray.

hake involuntarily, as with fear, cold, or weakness; to quake; to quiver; to shiver; to shudder; -- said of a person or an animal. I tremble still with fear. Shak. Frighted Turnus trembled as he spoke. Dryden.

ion expressive of disgust, horror, or recoil. Its utterance is usually accompanied by a shudder.

other young animal, to a want or deprivation of mother's milk; to take from the breast or udder; to cause to cease to depend on the mother nourishment. And the child grew, and was weaned; and Abraham made a great feast the same day that Isaac was weaned. Gen. xxi. 8.

. -- Wheel chains, or Wheel ropes (Naut.), the chains or ropes connecting the wheel and rudder. -- Wheel cutter, a machine for shaping the cogs of gear wheels; a gear cutter. -- Wheel horse, one of the horses nearest to the wheels, as opposed to a leader, or forward horse; -- called also wheeler. -- Wheel lathe, a…

se fitted and sheathed with copper, in the throating or score of the pintle, to keep the rudder from rising. -- Wood louse (Zoöl.) (a) Any one of numerous species of terrestrial isopod Crustacea belonging to Oniscus, Armadillo, and related genera. See Sow bug, under Sow, and Pill bug, under Pill. (b) Any one of severa…

p and carrying a mainsail and jibs, with a jigger mast far aft, usually placed abaft the rudder post.

A crosspiece upon the head of a boat's rudder. To its ends lines are attached which lead forward so that the boat can be steered from amidships.