Wiktionary
n. (alternative spelling of tie-in English)
WordNet
v. be in connection with something relevant; "This ties in closely with his earlier remarks"
make a logical or causal connection; "I cannot connect these two pieces of evidence in my mind"; "colligate these facts"; "I cannot relate these events at all" [syn: associate, relate, link, colligate, link up, connect] [ant: decouple]
Usage examples of "tie in".
He compensated for the loss by growing it long enough to tie in a streaming ponytail.
There is a tie in almost every seat - even some of the women wear them these days.
When did you decide to take it a step further and tie in to individual brain patterns?
Or would you rather have them tie in to you first and print their data for you, so you can turn the planet back on piecemeal?
He found a slender wand slipped under a tie in Dorigen's undergarments, and fumbled through any pouches or pockets in her remaining clothing, making certain that she had no more magical devices or spell components.