Definition of Wallacean in English:


Pronunciation /ˌwäləˈsēən/ /ˌwɑləˈsiən/


  • Relating to or characteristic of the zoogeographical area of Wallacea, between the Oriental and Australian regions.

    ‘a valuable addition to our knowledge of the Wallacean biodiversity’
    • ‘The Wallacean area has continued to be tectonically active with islands appearing and changing size.’
    • ‘It began biological surveys of the Wallacean region in 1995.’
    • ‘What about threatened species. ... honeyeaters, lorikeets and cockatoos, with Asian sunbirds, shrikes and flycatchers and Wallacean fruit doves and flowerpeckers?’
    • ‘The Wallacean shortfall refers primarily to the inadequacy of our knowledge of the geographical distributions of species.’
    • ‘In addition, we have such typically Wallacean species as the Ulysses butterfly.’