Edda n. : The religious or mythological book of the old Scandinavian tribes of German origin, containing two collections of Sagas (legends, myths) of the old northern gods and heroes.

Example:
What is the difference between the prose Edda and the poetic Edda?

Taxonomy
Lay, poems, Codex Regius, the Poetic Edda, Edda, Ballad, translation, London, Poetic Edda, Lay of Hyndla, Norse mythology, Mythological Poems, Eddic poems, The Lay of Sigrdrífa, Reprinted, Oxford, Elder Edda, Copenhagen.

Defination from the web:
Edda is a collection of Old Norse poems primarily preserved in the Icelandic mediaeval manuscript Codex Regius. ... While this attribution is rejected by modern scholars, the name Sæmundar Edda is still sometimes encountered. ...