1) Penutian 
any of several dialectally related North American Indian peoples speaking a Penutian language and originally living in an area stretching from the ...
[n] - a member of a North American Indian people living in coastal California between Monterey and San Francisco Bay 2. [n] - a Penutian language spoken by the Costanoan people
noun a Penutian language spoken by the Costanoan
a family of eight languages, now extinct, spoken by American Indian peoples of coastal California: part of the Penutian stock. · any of the speakers of these languages, who formerly inhabited the coast and adjacent river valleys from San Francisco Bay south to Monterey Bay and Point Sur.