■ noun Zoology a hypothetical line marking the boundary between the Oriental and Australian zoogeographical regions.
Origin
proposed by the English naturalist Alfred Russel Wallace (1823–1913).
■ noun Zoology a hypothetical line marking the boundary between the Oriental and Australian zoogeographical regions.
Origin
proposed by the English naturalist Alfred Russel Wallace (1823–1913).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004