the GNU version of the Collaborative International Dictionary of English
n. land on the frontiers of two adjoining countries; debatable land; -- often used figuratively; as, the border land of science.
The Century Dictionary and Cyclopedia
n. Land forming a border or frontier; an uncertain intermediate district or space: often used figuratively.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. district consisting of the area on either side of a border or boundary of a country or an area
Word Usage
"There is also a link to the university's Institute for Oral History (utminers. utep.edu/panihm/oralhist. htm), which sounds fascinating for anyone interested in borderland history."