aileron
noun /ˈeɪlərɒn/
/ˈeɪlərɑːn/
(specialist)- enlarge imagea part of the wing of a plane that moves up and down to control the plane’s balance
(飞机的)副翼 Topics Transport by airc2词源early 20th cent.: from French, literally ‘small wing’, diminutive of aile, from Latin ala ‘wing’.