ˈfrenˌtän, ̷ ̷ˈ ̷ ̷ noun
( plural fren·to·nes frenˈtōnēz)
Usage: usually capitalized
Etymology: American Spanish, from Spanish frentón, adjective, having a large forehead, aug. of frente forehead, from Latin front-, frons — more at brink
: a member of an Indian people constituting a division of the Guaicuru and comprising the Mocoví and Toba and formerly the Abipón