Antoeci \An*t[oe]"ci\ ([a^]n*t[=e]"s[imac]), Antoecians \An*t[oe]"cians\(-shanz), n. pl. [NL. antoeci, fr. Gr. pl. 'a`ntoiki; 'anti` opposite + o'ikei^n to live.] Those who live under the same meridian, but on opposite parallels of latitude, north and south of the equator.