Etymology
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From Middle English rodder, rother, ruder, from Old English rōþor (“oar, rudder”), from Proto-West Germanic *rōþr, from Proto-Germanic *rōþrą (“oar, rudder”) (compare Dutch and West Frisian roer, German Ruder), from Proto-Germanic *rōaną, from Proto-Indo-European *h₁reh₁- (“to row”) + Proto-Germanic *-þrą, *-þraz, instrumental suffix. Akin to Old English rōwan (“to row”). More at rōwan, -þor.
Pronunciation
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rudder (plural rudders)
- (nautical) 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).
- (aeronautics) A control surface on the vertical stabilizer of a fixed-wing aircraft or an autogyro. On some craft, the entire vertical stabilizer comprises the rudder. The rudder is controlled by foot-operated control pedals.
- A riddle or sieve.
- (figurative) That which resembles a rudder as a guide or governor; that which guides or governs the course.
- Hudibras
- For rhyme the rudder is of verses.
Derived terms
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Translations
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underwater vane used to steer a vessel
- Albanian: timon (sq) m
- Arabic: دَفَّة f (daffa); (chiefly eastern dialects also) سُكَّان m (sukkān)
- Moroccan Arabic: دمان m (dmān)
- Armenian: ղեկ (hy) (ġek)
- Belarusian: руль m (rulʹ)
- Bikol Central: ugit
- Bulgarian: рул m (rul), кормило (bg) n (kormilo)
- Catalan: timó (ca) m
- Chinese:
- Mandarin: 舵 (zh) (duò), 船舵 (zh) (chuánduò)
- Czech: kormidlo (cs) n
- Danish: ror (da) n
- Dutch: roer (nl) n
- Esperanto: direktilo, rudro
- Finnish: peräsin (fi), ruori (fi)
- French: gouvernail (fr) m, safran (fr) m
- Friulian: tamon m
- Galician: leme (gl) m, temón m, peltre m
- Georgian: საჭე (sač̣e)
- German: Ruder (de) n, Steuer (de) n, Steuerruder (de) n
- Greek: πηδάλιο (el) n (pidálio)
- Ancient: πηδάλιον n (pēdálion)
- Hindi: अरित्र (hi) (aritra), पतवार (hi) f (patvār)
- Hungarian: kormánylapát (hu)
- Indonesian: daun kemudi, kemudi sepak (id)
- Italian: timone (it) m, timone orizzontale m
- Japanese: 舵 (ja) (かじ, kaji)
- Javanese: setir (jv)
- Korean: 키 (ko) (ki)
- Latin: gubernāculum n
- Macedonian: кормило n (kormilo)
- Malay: rudder
- Maori: urunga, urungi
- Norwegian:
- Bokmål: ror (no) n
- Nynorsk: ror n
- Ottoman Turkish: دومن (dümen)
- Persian: خلاشه (fa) (xalâše), سکان (fa) (sokân)
- Plautdietsch: Scheppstia n
- Polish: ster (pl) m
- Portuguese: leme (pt) m
- Romanian: cârmă (ro) f
- Russian: руль (ru) m (rulʹ), корми́ло (ru) n (kormílo) (dated or poetic)
- Sardinian: timona, timone, timoni
- Scottish Gaelic: stiùir f
- Serbo-Croatian:
- Cyrillic: кормило n
- Roman: kormilo (sh) n
- Sicilian: timuni m
- Slovak: kormidlo n
- Slovene: krmilo (sl) n
- Spanish: timón (es) m
- Swahili: usukani (sw)
- Swedish: roder (sv) n
- Thai: หางเสือ (th) (hǎang-sʉ̌ʉa), หางเสือเรือ (hǎang-sʉ̌ʉa-rʉʉa)
- Turkish: dümen (tr)
- Ukrainian: руль m (rulʹ), стерно́ n (sternó)
- Venetian: timón m
- Welsh: llyw (cy) m
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control surface of an aircraft
- Arabic: سُكَّان m (sukkān), دَفَّة f (daffa)
- Armenian: ղեկ (hy) (ġek)
- Breton: stalaf m
- Catalan: timó (ca) m
- Chinese:
- Mandarin: 舵 (zh) (duò), 方向舵 (zh) (fāngxiàngduò)
- Czech: kormidlo (cs) n
- Danish: ror (da) n, haleror n, sideror n
- Dutch: roer (nl) n
- Esperanto: direktilo
- Estonian: pöördetüür
- Finnish: peräsin (fi), sivuperäsin
- French: gouverne (fr) f
- Georgian: საჭე (sač̣e)
- German: Steuerruder (de) n, Ruder (de) n
- Greek: πηδάλιο (el) n (pidálio)
- Indonesian: kemudi arah
- Italian: timone (it) m, timone di coda m, timone di profondità m, timone di direzione m
- Japanese: 舵 (ja) (kaji), 方向舵 (ほうこうだ, hōkōda)
- Korean: 방향타 (ko) (banghyangta)
- Norwegian: ror (no) n, haleror n, sideror n
- Polish: ster kierunku
- Portuguese: leme (pt) m
- Russian: руль поворо́та m (rulʹ povoróta), руль направле́ния m (rulʹ napravlénija)
- Spanish: timón (es) m
- Swedish: roder (sv) n
- Thai: หางเสือเลี้ยว (hǎang-sʉ̌ʉa-líao)
- Turkish: dümen (tr)
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See also
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Middle English
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rudder
- Alternative form of rother (“bovine”)