HEOROT:
Huge mead hall built by the order of Hrothgar that comes under the attack of Grendel.
Serve as a social hub and a reception room
MERE: Lake or swamp, Grendel lives with other monsters and mother.
THANE: A warriors
RING-HOARDS: Treasury of a nation or people: large rings
PEACE-TERMS: A truce, for example like that imposed upon Hengest and the Danes. They had to dwell in peace with the Jutish king who was responsible for the death of their own king.
HIGH CITY: Refers to the survivors of the Jutish side in the story of Hildeburh.