An Encylopedia Britannica Company

planet

1 ENTRIES FOUND:
planet /ˈplænət/ noun
plural planets
planet
/ˈplænət/
noun
plural planets
Britannica Dictionary definition of PLANET
[count] : a large, round object in space (such as the Earth) that travels around a star (such as the sun)
the planet : the planet Earth
used in informal phrases to say that someone is not aware of what is really happening or has ideas that are not realistic or practical