Sǣbeorg is beorg þæt ūpārīst of sǣflōra ac ne rǣcþ þæt gelagu. Hē þȳ nis īegland. Þās habbaþ of ācwencod fyrbeorgum gescapen; hīe ārīsaþ stǣgellīce and sind oft in dīepe 1,000 - 4,000 meters.