1) Air squadron 2) Airplane squadron 3) French word used in English 4) Squadron 
An escadrille (literal translations: `squad` or `small squadron`) is a type of military unit, most often found in the air forces of some French speaking countries. While the term is frequently translated into English as `squadron`, an escadrille was originally a smaller unit (whereas the French escadron, in the context of aviation is a much ...
squadron of aircraft; flotilla
[n] - a small squadron 2. [n] - an air force squadron typically containing six airplanes (as in France during World War I)
noun an air force squadron typically containing six airplanes (as in France during World War I)