Definition of Laurasian in US English:

Laurasian

adjective

  • Relating to or characteristic of the vast continental area of Laurasia believed to have existed in the northern hemisphere and to have resulted from the break-up of Pangaea in Mesozoic times.

    ‘an extinct Laurasian group’

Pronunciation

Laurasian

/lôˈrāZH(ə)n//lɔˈreɪʒ(ə)n/