Mar-flatr

Meaning of Old Norse word "mar-flatr"

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

mar-flatr

adj. horizontal, on the sea.

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