Definition of "fly-in" [fly-in]

• An informal gathering of private pilots and their aircraft at a prearranged airfield. (noun)
• Method of application for roll materials by which the dry sheet is set into the bitumen or adhesive applied to the roof surface. (noun)

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• "If you use GDL as your fly-in point, then Morelia is only a 3-4 hour luxury bus ride away."
• "Police and border guard officials were sent to Ben Gurion airport Wednesday to prepare for what is being called a pro-Palestinian "fly-in.""
• "In January, the Chamber arranged to “fly-in” some representatives from small businesses to Capitol Hill and “lead” them to a pre-arranged series of anti-CFPA meetings."