You searched for: “avigation”
avigation (s) (noun), avigations (pl)
Aerial navigation or the handling and guidance of aircraft in the air: Tim's son was training to be a pilot in the profession of avigation.
This entry is located in the following units: -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 12) avi-, av- (page 2)