a Scandinavian dish consisting of dried cod that has been softened by soaking in a lye solution, rinsed, and then boiled
See lutefisk in American Heritage Dictionary 4
(lo͞oˈtə-fĭskˌ) also lut·fisk(lo͞otˈfĭskˌ)
noun
A traditional Scandinavian dish prepared by soaking air-dried cod in a lye solution for several weeks before skinning, boning, and boiling it, a process that gives the dish its characteristic gelatinous consistency.