■ noun
1》 an event or a sequence of events.
↘a finite period in which someone is affected by an illness.
2》 each of the instalments into which a serialized story or radio or television programme is divided.
3》 Music a passage containing distinct material or introducing a new subject.
↘a section between two choric songs in Greek tragedy.
Origin
C17: from Gk epeisodion , neut. of epeisodios 'coming in besides'.