"Seat-roomy." The hall of the goddess Freyja in Fólkvangr, described by Snorri Sturluson in Gylfaginning as being "great and fair." Freyja can be periphrased as Possessor of Sessrúmnir.
The name also appears among a list of ship-names in Skáldskaparmál.
- Gylfaginning, 24.
- Skáldskaparmál, 20.