The Edda are collections of poetically narrated folk-tales relating to Norse Mythology or Norse heroes. These are fragmentary parts of a (presumably) much larger scaldic tradition of oral narration which has been written down by scholars prior to the tales being lost absolutely.
There are a number of theories concerning the origins of the word edda. One theory holds that it means "great-grandmother". Another theory holds that edda means "poetics". A third is that it means "the book of Oddi", Oddi being the place where Snorri Sturlusson was educated.
The following is a list of Eddas: