a. [f. mod.L. Arctogæa (f. Gr. ἄρκτο-ς northern, arctic + γαῖα earth) + -AL 1.] Of or belonging to the Arctogæa or arctic regions of the earth.
1870. Huxley, in Q. Jrnl. Geol. S., Addr. 55. In the widespread arctogæal province … The existing fauna of Eastern Arctogæa.
