Associations to the word «Coplanar»

Wiktionary

COPLANAR, adjective. (geometry) (of at least two things, usually lines) Within the same plane.
COPLANAR, adjective. (astronomy) (of multiple planets or other orbiting bodies) Orbiting a central celestial object within the same orbital plane.

Dictionary definition

COPLANAR, adjective. Lying in the same plane.

Wise words

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle