Aeroplane Flying From  Aeroplane  Aero·Plane Noun Of  Planus

 ETYMOLOGY  French aéroplane, from aéro- aer- + -plane, probably from feminine of plan flat, level, from Latin planus — more at 

 DATE  1873

airplane

aeroplane
  1866, from Fr. aéroplane (1855), from Gk. aero- "air" + stem of Fr. planer "to soar," from L. planus "level, flat" (see plane (1)). Originally in ref. to surfaces (such as the protective shell casings of beetles' wings); meaning "heavier than air flying machine" first attested 1873, probably an independent Eng. coinage (see airplane).

Oxford Collocations dictionary for students of English

aeroplane 
noun 

ADJ. private | vintage | model, paper 

VERB + AEROPLANE fly in, go in, travel in I've never flown in an aeroplane. | fly, pilot 

AEROPLANE + VERB fly aeroplanes flying overhead | take off | come down, land | crash | carry sb/sth The aeroplane was carrying 350 people. 

PREP. in a/the ~ flying in an aeroplane | on a/the ~ The president was never on the aeroplane at all. > See 

aeroplane
aero·plane / 5eErEplein; NAmE 5erE- / (BrE) (NAmE air·plane) (also plane BrE, NAmE) noun   a flying vehicle with wings and one or more engines
   飞机

Webster's Third New International Dictionary, Unabridged

airplane

airplane