noun, plural ant·a·pex·es, ant·ap·i·ces [ant-ap–uh-seez, –ey-puh-] /æntˈæp əˌsiz, -ˈeɪ pə-/. Astronomy.
- the point exactly opposite in direction to the solar apex; the point away from which the solar system is moving and toward which the stars appear to be converging, located in the constellation Columba.