RUDDER /ˈɹʌdə(ɹ)/ ► audio Scrabble 8 Words With Friends 9 Definition noun a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes. noun (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel. See all 22 words you can make from RUDDER → 6-letter words Words starting with R Words ending with R ← Unscramble different letters