Mjúkræss

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

mjúkræss

a. running smoothly (of a ship).

Possible runic inscription in Younger Futhark:ᛘᛁᚢᚴᚱᛅᛋᛋ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary