Wiktionary
vb. 1 (context fishing transitive English) to bring (a fish etc.) out of the water by winding the reel. 2 (context idiomatic transitive English) to bring in (e.g. by attractive offers or persuasion)
Usage examples of "reel in".
Only then did the ladder, wound onto a reel in the airlock, let him go.
But no, I don't have to trust him, and I'm not going to reel in shock if we find out he's living in a pretty casa in Barcelona.
Close observers of the scene took it for granted that sooner or later she'd reel in a thread and find it had a cobra tied to it.
Lindsay, reel in your tongue, this is stupid, people piss in this street.
You have to let him have line, reel in, let him run again against the strain, reel in and so forth until he is so exhausted he can pull no more.
Once again the line poured off the reel in a molten blur, and Shasa was lifted high off the seat like a jockey pushing for the post.
The fish kept taking off, stripping line from the reel in a long, sustained scream of friction, pulling the handles right out of her grasp.
When a trout, feeding on the bottom, took the bait it would run with it, taking line out of the reel in a rush and making the reel sing with the click on.