rudder

noun

rud·​der ˈrə-dər How to pronounce rudder (audio)
1
: an underwater blade that is positioned at the stern of a boat or ship and controlled by its helm and that when turned causes the vessel's head to turn in the same direction
2
: a movable auxiliary airfoil on an airplane usually attached at the rear end that serves to control direction of flight in the horizontal plane see airplane illustration
3
: a guiding force or strategy
rudderless adjective

Examples of rudder in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Boxer deployed with Camp Pendleton Marines on April 1 but had to return to San Diego about 10 days later due to a rudder problem. Gary Robbins, The Mercury News, 9 Dec. 2024 In September, the National Transportation Safety Board issued an urgent warning regarding Boeing 737 planes, saying a piece of the rudder control system on these planes could lose functionality in cold weather. Fernando Cervantes Jr., USA TODAY, 18 Nov. 2024 That includes wing components from Japanese and South Korean companies, rudders made in China and landing gear and engines from the United Kingdom. Jeremy Bogaisky, Forbes, 2 Nov. 2024 The Federal Aviation Administration issued a notice to Boeing 737 Next Generation and Max operators about a potential issue with its rudder control system. Zach Wichter, USA TODAY, 9 Oct. 2024 See all Example Sentences for rudder 

Word History

Etymology

Middle English rother, from Old English rōther paddle; akin to Old English rōwan to row

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of rudder was in the 15th century

Dictionary Entries Near rudder

Cite this Entry

“Rudder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rudder. Accessed 22 Dec. 2024.

Kids Definition

rudder

noun
rud·​der ˈrəd-ər How to pronounce rudder (audio)
: a flat movable piece (as of wood or metal) attached to the rear of a ship or aircraft for steering

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