(science fiction, rare) Membership of a particular planet or moon, by origin, birth, naturalization, ownership, allegiance or otherwise.

plural of planeteer

(now historical or astrology) Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.

plural of planet

Someone who helps protect the environment.

Of or relating to planets.

(poetic, obsolete) Of or relating to planets.

Pertaining to the planets and/or their motions. / Relating to the earth; terrestrial. / Global.

plural of planetality

plural of planetable