English definition of “set”
/set/ noun [C]
GROUP › a group of things which belong together: a set of instructions/rules a set of keys/tools
FILM/PLAY › the place where a film or play is performed or recorded, and the pictures, furniture, etc that are used: They first met on the set of 'Star Wars'.
TENNIS › one part of a tennis match: Agassi is leading by four games to one in the third set.
TV/RADIO › a television or radio: a TV set
MUSIC › a group of songs or tunes that go together to make a musical performance
MATHS › a group of numbers or things