avión
airplane
aviation
related to aircraft or flying
+
-ón
augmentative suffix
Avión means airplane and can be thought of as a large1 (-ón1) thing related to aviation0.
noun
- airplaneA vehicle designed for air travel, with wings and one or more engines.El avión despegó a las 10 de la mañana. // The airplane took off at 10 in the morning.