[COUNTER- 8: a transl. of Gr. ἀντίχθων, f. ἀντί over against, opposite + χθών the earth.] An opposite or secondary Earth, in the Pythagorean system: cf. ANTICHTHON.
1857. Whewell, Hist. Induct. Sc., I. 52. They asserted that there was an antichthon, or counter-earth.
1865. Grote, Plato, I. i. 13 [see ANTICHTHON].
1881. S. F. Alleyne, trans. Zellers Pre-Socratic Philos., I. 450. The earth always turns the same side to the counter-earth and the central fire.