equatorial plane

noun Astronomy.

the plane passing through the equator of the earth or another celestial body.

Origin of equatorial plane

First recorded in 1890–95

Words nearby equatorial plane

equatorial countercurrent, equatorial current, equatorial guinea, equatorial mount, equatorial mounting, equatorial plane, equatorial plate, equatorial staphyloma, equatorial telescope, equatorial tide, equatorial trough

Medical definitions for equatorial plane

equatorial plane
[ ē′kwə-tôr′ē-əl, ĕk′wə- ]

n.

The plane that contains all of the centromeres and their spindle attachments during metaphase of mitosis.