airplane
The French word for airplane is 'avion'. Much like in English, it's used to refer to a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces. It's used in the same contexts as the English word, such as in conversations about travel.
The plane is flying over the city.
This is a sentence describing an action of a plane, using the present tense verb 'survole' which means 'is flying over'.
I am taking the plane tomorrow.
This is a sentence expressing a future action. In French, the near future can be expressed with the present tense of the verb and a time indicator such as 'demain' which means 'tomorrow'.
This is a fast plane.
This is a sentence using the noun 'avion' in a descriptive clause. The adjective 'rapide' means 'fast'.