Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
   

plan·et

planet

 
 
pronunciation:
plae niht
features:
Word Combinations (noun), Word History, Word Explorer
part of speech: noun
definition: a large body in outer space that circles around the sun or another star. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto are all planets in our solar system.
 
similar words:
world
Word CombinationsSubscriber feature About this feature
Word History
The word planet entered English eight hundred years ago, during the Middle Ages. "Planet" comes from the ancient Greek term asteres planetai or "wandering stars." In 1640, astronomers began using the word "planet" in its modern sense of a body that circles a star (the sun).
Word Explorer
See
  earth