Rudder Rud"der, n. [OE. rother, AS. r[=o][eth]er a paddle; akin to D. roer rudder, oar, G. ruder, OHG. roadar, Sw. roder, ror, Dan. roer, ror. [root] 8. See {Row} to propel with an oar, and cf. {Rother}. ] 1. (Naut.) The mechanical appliance by means of which a vessel is guided or steered when in motion. It is a broad and flat blade made of wood or iron, with a long shank, and is fastened in an upright position, usually by one edge, to the sternpost of the vessel in such a way that it can be turned from side to side in the water by means of a tiller, wheel, or other attachment. [1913 Webster]

2. Fig.: That which resembles a rudder as a guide or governor; that which guides or governs the course. [1913 Webster]

For rhyme the rudder is of verses. --Hudibras. [1913 Webster]

3. In an aircraft, a surface the function of which is to exert a turning moment about an axis of the craft. [Webster 1913 Suppl.]

{Balance rudder} (Naut.), a rudder pivoted near the middle instead of at the edge, -- common on sharpies.

{Drop rudder} (Naut.), a rudder extending below the keel so as to be more effective in steering.

{Rudder chain} (Naut.), one of the loose chains or ropes which fasten the rudder to the quarters to prevent its loss in case it gets unshipped, and for operating it in case the tiller or the wheel is broken.

{Rudder coat} (Naut.), a covering of tarred canvas used to prevent water from entering the rudderhole.

{Rudder fish}. (Zo["o]l.) (a) The pilot fish. (b) The amber fish ({Seriola zonata}), which is bluish having six broad black bands. (c) A plain greenish black American fish ({Leirus perciformis}); -- called also {black rudder fish}, {logfish}, and {barrel fish}. The name is also applied to other fishes which follow vessels.

{Rudder pendants} (Naut.), ropes connected with the rudder chains. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Rudder — ist der Name folgender Personen: David Rudder (* 1953), Komponist und Sänger in den Genres Calypso und Soca James Earl Rudder (1910–1970), US amerikanischer Militär, Politiker und Hochschulpräsident Diese Seite ist eine Begriffskläru …   Deutsch Wikipedia

  • Rudder — Rud der, n. A riddle or sieve. [Prov. Eng.] [1913 Webster] …   The Collaborative International Dictionary of English

  • rudder — O.E. roðor paddle, oar, from P.Gmc. *rothru (Cf. O.Fris. roder, M.L.G. roder, M.Du. roeder, Du. roer, O.H.G. ruodar, Ger. Ruder oar ), from *ro steer (see ROW (Cf. row) (v.)) + suffix …   Etymology dictionary

  • rudder — ► NOUN 1) a flat piece hinged vertically near the stern of a boat for steering. 2) a vertical aerofoil pivoted from the tailplane of an aircraft, for controlling movement about the vertical axis. ORIGIN Old English, «paddle, oar» …   English terms dictionary

  • rudder — [rud′ər] n. [ME rother < OE; akin to Ger ruder: see ROW2] 1. a broad, flat, movable piece of wood or metal hinged vertically at the stern of a boat or ship, used for steering 2. a movable piece attached to the vertical stabilizer of an… …   English World dictionary

  • Rudder — A rudder is a device used to steer a ship, boat, submarine, hovercraft, or other conveyance that move through a fluid (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw and p factor and is not the primary …   Wikipedia

  • rudder — ruddered, adj. rudderless, adj. rudderlike, adj. /rud euhr/, n. 1. Naut. a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel s direction when in motion. 2. Aeron. a movable control surface attached to a… …   Universalium

  • rudder — The primary vertical and movable control surface, which is hinged to the fin and primarily controls the yawing movement of the aircraft. The rudder is moved by foot operated pedals (called rudder pedals) in the cockpit. A rudder application… …   Aviation dictionary

  • Rudder — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. James Earl Rudder était un militaire américain lors de la seconde guerre mondiale. Pieter De Rudder, en français Pierre De Rudder, ouvrier agricole, né à… …   Wikipédia en Français

  • rudder — noun a) An underwater vane used to steer a vessel. The rudder is controlled by means of a wheel, tiller or other apparatus (modern vessels can be controlled even with a joystick or an autopilot). b) A control surface on the vertical stabilizer of …   Wiktionary

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