Ægir (also Æger) is a figure in Norse mythology. Aegir, AEgir, Ægir or Æger may also refer to: Science Aegir (moon), a moon of Saturn AEgir (planet) or Epsilon Eridani b, an exoplanet Aegir, another name for a tidal bore Trent Aegir, the tidal bore on the River Trent Aegir Ridge, an extinct mid-ocean ridge in the far-northern Atlantic Ocean Aegir, another name for aegirine, a type of silicate mineral Aeger, a genus of fossil shrimp Ships Ægir-class offshore patrol vessel, a class serving the Icelandic Coast Guard , a former class of ships in the US Navy DCV Aegir, a 2013 large offshore construction vessel being built for Heerema Marine Contractors , name of several ships in the Royal Norwegian Navy ICGV Ægir, offshore patrol vessel of the Icelandic Coast Guard , coastal defense ships of the Imperial German Navy , a 1943 former US submarine tender Other uses G.S.R. Aegir, a student rowing club in Groningen, the Netherlands Aegir, the name of a member of the Asgard race in the science fiction TV show Stargate See also Agir (disambiguation) Ager (disambiguation)