Neptune
WordNet
noun
(1) A giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants
"The existence of Neptune was predicted from perturbations in the orbit of Uranus and it was then identified in 1846"
(2) (Roman mythology) god of the sea; counterpart of Greek Poseidon
WiktionaryText
Proper noun
- The god of the ocean and of earthquakes.
- The eighth planet in our solar system, represented in astronomy and astrology by ♆.