(noun) someone who travels by air. Synonyms: flyer.
··
Noun Definition 1
(noun) someone who operates an aircraft. Synonyms: aviator, aeronaut, airman, flyer.
··
Noun Definition 2
(noun) an advertisement (usually printed on a page or in a leaflet) intended for wide distribution. Synonyms: circular, handbill, bill, broadside, broadsheet, flyer, throwaway. Example: "He mailed the circular to all subscribers."