Onim.

Papuan: dialect of New Guinea.

Onolascha, under [U].

Onomatopœia.

Mimetic speech; treats of the formation of words in imitation of natural sounds. It is the origin of many reduplicated words, and, when applied to the science of language, has sometimes been called “the bow-wow theory.”

Onondaga.

American: dialect of Iroquois, closely allied to Mohawk and Oneida. Schoolcraft’s “Indian Tribes,” vol. ii., p. 482; Dicty. by Shea, London, 1860.

Onthagamies, Ottogami.

American: a name for the Fox-Indians. See [Sac].