1. A tale, a legend, or a story that includes a long, often historical, narrative: The story tellers of many cultures tell sagas of heroic deeds by ancient warriors.
2. A written or verbal report that is long and contains detailed narratives: Bob detailed the saga of his family problems.

A saga is a prose narrative that was written in Iceland between 1120 and 1400, dealing with the families that first settled in Iceland and their descendants, with the histories of the kings of Norway, and with the myths and legends of early Germanic gods and heroes.

3. A detailed narrative of events or personal experiences that have existed over a long time: Mike's sister is such a good storyteller that she can turn a simple walk to the grocery story into a saga.
4. Etymology: from Old Norse saga, "a story" cognate with Old English sagu, "a saying".