Pronunciation: (OO"nu-läch'ti-gō"), [key]
—pl. -gos, (esp. collectively) -go for 1.
1. a member of a North American Indian people, one of the Delaware group.
2. the Eastern Algonquian language of the Unalachtigo, originally spoken in the middle Delaware Valley.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.