Pronunciation: (flī'in"), [key]
a convention, entertainment, or other gathering at which participants arrive by air: the annual fly-in of cattle breeders.
1. of or for those who arrive and usually depart by air: a fly-in safari.
2. accessible only by air: a remote, fly-in fishing camp.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.