Flat-sigling

Meaning of Old Norse word "flat-sigling"

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

flat-sigling

f. sailing with a side wind.

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