Merriam-Webster Collegiate Dictionary - antipodal

 I. adjective  Date: 1646  1. of or relating to the antipodes; specifically situated at the opposite side of the earth or moon an ~ meridian an ~ continent  2. diametrically opposite an ~ point on a sphere  3. entirely opposed a system ~ to democracy  II. noun  Date: 1919 any of three haploid cells in most angiosperms that are grouped at the end of the embryo sac farthest from the micropyle — called also ~ cell ANTIPODE  noun  (plural ~s)  Etymology: Middle English ~s, plural, persons dwelling at opposite points on the globe, from Latin, from Greek, from plural of antipod-, antipous with feet opposite, from anti- + pod-, pous foot — more at foot  Date: 1549  1. the parts of the earth diametrically opposite — usually used in plural; often used of Australia and New Zealand as contrasted to the western hemisphere  2. the exact opposite or contrary  • ~an adjective or noun