Tribal Land – any part of an Indian reservation not allotted to or occupied by individual Indians but instead held in common by tribal members

tribal land:

“A part of an Indian reservation that is not allotted to or occupied by individual Indians but is held as the tribe’s common land.”

References:

[1]: All definitions, unless otherwise specified, from Black’s Law Dictionary Deluxe Tenth Edition by Henry Campbell Black, Editor in Chief Bryan A. Garner. ISBN: 978-0-314-61300-4