1 definition found selkup - WordNet (r) 2.1 (2005) : Selkup n 1: one of the people of mixed Ostyak and Samoyed origin in Siberia [syn: Selkup, Ostyak-Samoyed] 2: the Uralic language spoken by the Ostyak-Samoyed [syn: Selkup, Ostyak-Samoyed]