Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One thing that is related to or connected with another.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Something that is related or connected to another
  • n. An authorized product based on a media property, such as a film or video game, by way of cross-promotion.
  • n. An association or connection between things

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a fastener that serves to join or connect

Etymologies

From tie + in. (Wiktionary)

Examples

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