Longman Dictionary of Contemporary English
Wiktionary
n. 1 (context idiomatic English) A quick glance. 2 (context idiomatic English) A brief visit. 3 (context idiomatic UK English) A chance to participate, compete, or succeed. 4 (context American football English) A quick short pass to a receiver running diagonally toward the center of the field.
Wikipedia
Look-in was a children's magazine centred on ITV's television programmes in the United Kingdom, and subtitled "The Junior TVTimes". It ran from 9 January 1971 to 12 March 1994. Briefly in 1985 a BBC-based rival appeared called BEEB; another was launched in 1989, Fast Forward, which went on to outsell Look-in.
Usage examples of "look-in".
He is quite in my black books, as I shall tell him, for he promised to give us a look-in when he came back to Bath, and never a glimpse of him did we get.