Red Planet

/rɛd ˌplænət/

Definitions of Red Planet

1. noun

   a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color
   synonyms: Mars

   example of:

   superior planet

   any of the planets whose orbit lies outside the earth's orbit

   terrestrial planet

   a planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system