(informal) A dilapidated area of a city where many people live in a state of poverty and in which crime is more common than in other portions of the city.

(UK, informal) To quarrel; to cease to be on friendly terms.

To do one's fair share of work, or take one's share of responsibility.

(idiomatic) to show support for or defend the actions of someone in the course of a debate, argument, etc.

(education) A simple tree-like diagram showing the relationship between a whole and its parts, used in teaching mathematical concepts such as fractions.

plural of part-whole model

(idiomatic) Synonym of play a part

(cricket) a batsman who has limited bowling ability; asked to bowl under special circumstances

(law, archaic) The party to a legal dispute against whom a complaint was initially raised in a court.

(law, archaic) The party to a legal dispute who first raised a complaint in a court. / (law, archaic) The first party named in a contract, generally the party agreeing to perform a duty thereunder.