Definition of "runelore"

In fact so serious a discrepancy could only arise in the infancy of this little-studied Old-Northern Rune-lore, when the material was so comparatively slender and the few monuments gave scarcely any acknowledged formulas.

1884, George Stephens, The Old-Northern Runic Monuments of Scandinavia and England, London: Williams and Norgate, page 213

Runelore is dominated by the figure of Ódhinn. It is the path exemplified by him that the runester seeks to travel.

1989, Edred Thorsson, Runelore: A Handbook of Esoteric Runology, York Beach, Me.: S. Weiser, page 175