draw in phrasal verb ( see also ↑ draw )
1 . British English if the days or nights draw in, it starts to get dark earlier in the evening because winter is coming:
In October the nights start drawing in.
2 . draw somebody ↔ in to get someone involved in something:
We should use the demonstration as an opportunity to draw more supporters in.
Despite himself, he found himself being drawn in by the man’s warmth and ease.
3 . draw in your horns British English to spend less money because you have financial problems