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''Equatorial'' has different meanings:

★ In geography it relates to the equator of the Earth.

★ In geometry, it refers to the ring-shaped outer boundary of the cross-section of a round three dimensional shape or object, perpendicular to its long or major axis, at the object's midpoint or point of greatest radius (as in the equator of the Earth).

★ In chemistry it relates to an equatorial bond or the plane of a molecule, the opposite of axial.

★ Equatorial Guinea, a country in Central Africa

★ In astronomy, equatorial coordinates are using a coordinate system based on the equatorial plane of the Earth

★ Meaning the center of someone or something.