galactic plane

noun Astronomy.

the plane of the galactic equator.

Origin of galactic plane

First recorded in 1840–50

Words nearby galactic plane

galactic latitude, galactic longitude, galactic nebula, galactic noise, galactic nucleus, galactic plane, galactic pole, galactic poles, galactic year, galactico, galactin

British Dictionary definitions for galactic plane

galactic plane

noun

the plane passing through the spiral arms of the Galaxy