rudderlike

rudder

[ruhd-er]
noun
1.
Nautical. a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel's direction when in motion.
2.
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.
3.
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.

Origin:
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

ruddered, adjective
rudderless, adjective
rudderlike, adjective
unruddered, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
rudder (ˈrʌdə)
 
n
1.  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
2.  a vertical control surface attached to the rear of the fin used to steer an aircraft, in conjunction with the ailerons
3.  anything that guides or directs
 
[Old English rōther; related to Old French rōther, Old High German ruodar, Old Norse rōthr. See row²]
 
'rudderless
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

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 (2)) + 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 1440.
Online Etymology Dictionary, © 2010 Douglas Harper
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