Wallace's line

play
noun Wal·lace's line \ˈwä-lə-səz-\

Definition of Wallace's line

  1. :  a hypothetical boundary that separates the highly distinctive faunas of the Asian and Australian biogeographic regions and passes between the islands of Bali and Lombok in Indonesia, between Borneo and Sulawesi, and between the Philippines and the Moluccas

Origin and Etymology of wallace's line

Alfred Russel Wallace


Learn More about wallace's line


Seen and Heard

What made you want to look up Wallace's line? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an incorrigible rascal

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!