- a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
Origin of Nullarbor Plain
< Latin nullus ‘no, none’ + arbor ‘tree’
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a vast low plateau of S Australia: extends north from the Great Australian Bight to the Great Victoria Desert; has no surface water or trees. Area: 260 000 sq km (100 000 sq miles)