What is pl. Old Norse poetry expressed in runes. Runes were upon his tongue, As on the warrior's sword. Longfellow. Rune stone, a stone bearing a runic inscription called?

rune — pl. Old Norse poetry expressed in runes. Runes were upon his tongue, As on the warrior's sword. Longfellow. Rune stone, a stone bearing a runic inscription. (Webster's 1913.)

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