WordNet (r) 3.0 (2006):
Attacapan n 1: a member of an Indian people formerly living along the Gulf Coast of Louisiana and Texas [syn: Atakapa, Attacapan] 2: a language spoken by the Atakapa of the Gulf Coast of Louisiana and Texas [syn: Atakapa, Atakapan, Attacapa, Attacapan]