fly in

1 of 2

transitive verb

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


2 of 2


: an act of flying to a destination
planned the fly-in of the rescue planes
: an outdoor theater planned for the patronage of persons remaining in their private planes compare drive-in
: a gathering (as at a small airport) of flying enthusiasts who arrive by private plane

Word History



from fly in, verb

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near fly in

Cite this Entry

“Fly in.” Dictionary, Merriam-Webster, Accessed 1 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!