Meanings
Usage patterns
〈数〉割N tenths (i.e. N×10%)
割がいいto be profitable or worth the effort
This job takes time, but it pays off well.
割りを食うto get the short end of the stick; to end up at a disadvantage
The negotiations went badly, and our company ended up on the losing end.
〈物〉割りdiluted or mixed with a certain drink
He drinks whisky mixed with soda water.
割りが出るfor the match schedule (esp. in sumo) to be announced
Tomorrow's sumo matchups were announced.
〈物〉の割りを決めるto decide how something is allotted or divided up
We all decided together how to divide up the work.