NEPTUNE
Neptune
(noun) 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”
Neptune
(noun) (Roman mythology) god of the sea; counterpart of Greek Poseidon
Source: WordNet® 3.1
Nep"tune, n. Etym: [L. Neptunus.]
1. (Rom. Myth.)
Definition: The son of Saturn and Ops, the god of the waters, especially of
the sea. He is represented as bearing a trident for a scepter.
2. (Astron.)
Definition: The remotest known planet of our system, discovered -- as a
result of the computations of Leverrier, of Paris -- by Galle, of
Berlin, September 23, 1846. Its mean distance from the sun is about
2,775,000,000 miles, and its period of revolution is about 164,78
years. Neptune powder, an explosive containing nitroglycerin, -- used
in blasting.
– Neptune's cup (Zoöl.), a very large, cup-shaped, marine sponge
(Thalassema Neptuni).
Source: Webster’s Unabridged Dictionary 1913 Edition