- pl. -·gas or -·ga a member of a North American Indian people formerly living near Onondaga Lake in New York and now also living in Ontario
- the Iroquoian language of this people
Origin of Onondaga; from Amerindian (Iroquois) Ononta'ge', literally , on top of the hill (name of the chief Onondaga village)
nounpl. Onondaga or On·on·da·gas
- A member of a Native American people formerly inhabiting the eastern Finger Lakes region of west-central New York, with present-day populations in this same area and in southeast Ontario. The Onondaga are one of the original members of the Iroquois confederacy.
- The Iroquoian language of the Onondaga.
Origin of OnondagaOnondaga onó·&phonn;tà’ke, on the hill, a village name.