fly in

1 of 2

transitive verb

: to switch (a railroad car) by a flying switch

fly-in

2 of 2

noun

1

: an act of flying to a destination

planned the fly-in of the rescue planes

2

: an outdoor theater planned for the patronage of persons remaining in their private planes compare drive-in

3

: a gathering (as at a small airport) of flying enthusiasts who arrive by private plane

Word History

Etymology

Noun

from fly in, verb

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now