astro- |ˈastrō|

comb. form

relating to the stars, celestial objects, or outer space: astrocompass | astrophysics | astrodynamics | astronuclear.

plane 1 |plān|


1 a flat surface on which a straight line joining any two points on it would wholly lie: the horizontal plane.

• an imaginary flat surface through or joining material objects: the planets orbit the sun in roughly the same plane.

2 a level of existence, thought, or development: everything is connected on the spiritual plane.

3 an augmented reality surface used to place and orient digital objects.

verb [ no obj. ]

(of a bird or an airborne object) soar without moving the wings; glide: a bird planed down toward the water below.

plane 2 |plān|


an airplane.

Image by Stephen Chang