noun. a dialect of the Chiwere language spoken by the Oto.
noun. a member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska.
1. Noun, singular or mass The dwarf pleco or oto cat (Otocinclus spp) maxes out at about 2 inches, though this species should be kept in groups of at least six. 2. Adjective Acquire Siamese algae eaters, oto catfish or golden apple snails to keep brown algae in check and prevent its growth in low-light conditions.