We found 28 dictionaries that define the word tie in:

General (20 matching dictionaries)

1. tie in: Longman Dictionary of Contemporary English
2. tie-in, tie in: Merriam-Webster
3. tie-in: Oxford Learner's Dictionaries
4. tie-in: American Heritage Dictionary of the English Language
5. tie-in, tie-in, tie in: Collins English Dictionary
6. tie-in, tie in: Vocabulary.com
7. Tie-In, Tie-in, tie-in: Wordnik
8. tie-in, tie (sth) in: Cambridge Advanced Learner's Dictionary
9. tie-in, tie in: Wiktionary
10. tie-in: Webster's New World College Dictionary, 4th Ed.
11. tie-in: The Wordsmyth English Dictionary-Thesaurus
12. tie-in: Infoplease Dictionary
13. tie-in, tie in: Dictionary.com
14. Tie-in: Wikipedia, the Free Encyclopedia
15. tie-in, tie in: Rhymezone
16. tie-in, tie in: FreeDictionary.org
17. tie-in, tie in: Mnemonic Dictionary
18. tie-in, tie in: TheFreeDictionary.com

Art (1 matching dictionary)

19. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (3 matching dictionaries)

20. Travel Industry Dictionary (No longer online)
21. Construction Term Glossary (No longer online)
22. tie-in: Legal dictionary

Computing (1 matching dictionary)

23. tie-in, tie in: Encyclopedia

Miscellaneous (1 matching dictionary)

24. tie in: Idioms

Slang (1 matching dictionary)

25. tie-in: Urban Dictionary

Tech (1 matching dictionary)

26. Roofing Terms (No longer online)

(Note: See tie_ins as well.)

Definitions from Wiktionary (tie in) ▸ verb:  (intransitive, idiomatic) To fit in or harmonize (with something). ▸ noun:  Alternative spelling of tie-in [Something that is related or connected to another thing.] Similar: relate, connect, associate, link, tie in with, mesh, hang together, attune, mate, tone in, more... Opposite: lose, defeat, fall behind, lag behind, be beaten Types: bow tie, necktie, cravat, ascot, four-in-hand, windsor, pratt, plattsburgh, more... Phrases: tie in knots, tie in with, tie up in knots, negative npv tie in project, tie in novel, more... Adjectives: fitting, fair, jump, adapt, accommodate, formfitting, comprehended, fit as a fiddle, content, fay, apply ▸ Words similar to tie in ▸ Usage examples for tie in ▸ Idioms related to tie in ▸ Wikipedia articles (New!) ▸ Words that often appear near tie in ▸ Rhymes of tie in ▸ Invented words related to tie in