rudder

[ ruhd-er ]
/ ˈrʌd ər /

noun

Nautical. a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel's direction when in motion.
Aeronautics. a movable control surface attached to a vertical stabilizer, located at the rear of an airplane and used, along with the ailerons, to turn the airplane.
any means of or device for governing, directing, or guiding a course, as a leader or principle: His ideas provided a rudder for the new company.

Nearby words

  1. ruda sląska,
  2. ruda śląska,
  3. rudaceous,
  4. rudbeckia,
  5. rudd,
  6. rudderfish,
  7. rudderhead,
  8. rudderless,
  9. rudderpost,
  10. rudderstock

Origin of rudder

before 900; Middle English rodder, rother, ruder, Old English rōther; cognate with Old Frisian rōther, Middle Dutch rōder (Dutch roer), Old High German ruodar (German Ruder); akin to row2

Related formsrud·dered, adjectiverud·der·less, adjectiverud·der·like, adjectiveun·rud·dered, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rudder


British Dictionary definitions for rudder

rudder

/ (ˈrʌdə) /

noun

nautical a pivoted vertical vane that projects into the water at the stern of a vessel and can be controlled by a tiller, wheel, or other apparatus to steer the vessel
a vertical control surface attached to the rear of the fin used to steer an aircraft, in conjunction with the ailerons
anything that guides or directs
Derived Formsrudderless, adjective

Word Origin for rudder

Old English rōther; related to Old French rōther, Old High German ruodar, Old Norse rōthr . See row ²

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rudder

rudder

n.

Old English roðor "paddle, oar," from Proto-Germanic *rothru- (cf. Old Frisian roðer, Middle Low German roder, Middle Dutch roeder, Dutch roer, Old High German ruodar, German Ruder "oar"), from *ro- "steer" (see row (v.)) + suffix -þra, used to form neutral names of tools. Meaning "broad, flat piece of wood attached to the stern of a boat and used for steering" is from c.1300. Spelling with -d- for -th- first recorded mid-15c. (cf. feather, mother, gather).

Online Etymology Dictionary, © 2010 Douglas Harper