air·plane 
/ˈeɚˌpleɪn/ noun
plural air·planes /ˈeɚˌpleɪn/ noun [count] US : a machine that has wings and an engine and that flies through the air
▪ traveling on/in an airplane = traveling by airplane —called also plane (Brit) aeroplane
▪ traveling on/in an airplane = traveling by airplane —called also plane (Brit) aeroplane
