Gler-hallr

Meaning of Old Norse word "gler-hallr"

As defined by the Cleasby & Vigfusson Old Norse to English dictionary:

gler-hallr

m. a glass stone, agate.

Possible runic inscription in Younger Futhark:ᚴᛚᛁᚱ-ᚼᛅᛚᛚᚱ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements