rask

noun

1. Ras·mus Chris·tian [ras-muh s kris-chuh n; Danish rahs-moo s krees-tyahn] /ˈræs məs ˈkrɪs tʃən; Danish ˈrɑs mʊs ˈkris tyɑn/, 1787–1832, Danish philologist.

noun

1. Rasmus Christian (ˈrasmus ˈkresdjan). 1787–1832, Danish philologist. He pioneered comparative philology with his work on Old Norse (1818)