n.a family of North American Indian languages spoken widely in the Midwest by the Caddo
同义词：CaddoCaddoan language
英汉双解大词典
Caddoan/ˈkædəʊən/
1.
N（名词）
a family of Native American languages, including Pawnee, formerly spoken in a wide area of the Midwest, and probably distantly related to Siouan 喀多语; 一种美洲土著语系，包括波尼语，曾在中西部地区广泛使用，可能是苏族的远亲