Neptune Definition

nĕpto͝on, -tyo͝on
noun
The god of the sea: identified with the Greek Poseidon.
Webster's New World
The sea personified.
Webster's New World
The fourth largest planet of the solar system and normally the eighth in distance from the sun: it has a thin, icy ring system around its equator: diameter, c. 49,530 km (c. 30,780 mi); period of revolution, 164.79 earth years; period of rotation, 16.11 hours; 13 satellites; symbol, ♆
Webster's New World
Synonyms:

Origin of Neptune

  • Latin Neptūnus

    From American Heritage Dictionary of the English Language, 5th Edition

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Neptune