different between rudder vs judder

English

Etymology

From Middle English rodder, rother, ruder, from Old English r?þor (“oar, rudder”), from Proto-West Germanic *r?þr, from Proto-Germanic *r?þr? (“oar, rudder”) (compare Dutch and West Frisian roer, German Ruder), from Proto-Germanic *r?an?, from Proto-Indo-European *h?reh?- (“to row”) + Proto-Germanic *-þr?, *-þraz, instrumental suffix. Akin to Old English r?wan (“to row”). More at r?wan, -þor.

Pronunciation

• (UK) IPA^(key): /???d?(?)/
• (US) IPA^(key): /???d?/
• Rhymes: -?d?(r)

Noun

rudder (plural rudders)

1. (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).
2. (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.
3. A riddle or sieve.
4. (figuratively) 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

Translations

See also

• tiller

Middle English

Noun

rudder

1. Alternative form of rother (“bovine”)

English

Pronunciation

• (UK) IPA^(key): /?d??d?/
• (US) IPA^(key): /?d??d?/
• Rhymes: -?d?(?)

Noun

judder (countable and uncountable, plural judders)

1. A spasmodic shaking.
2. (television) Jerky playback caused by converting between frame rates; telecine judder

Translations

Verb

judder (third-person singular simple present judders, present participle juddering, simple past and past participle juddered)

1. (intransitive) To spasm or shake violently.
   • 2000, Mark Gatiss, Last of the Gaderene, chapter 20

     Captain McGarrigle, however, seemed to be in trouble. He was breathing stertorously, his throat and chest juddering like those of an asthmatic.

2. (intransitive) To move with a stop-start motion, as if experiencing a strong resistance or when decelerating brusquely.

   To judder to a halt

Translations

See also

• shudder