- (astronomy) The planet in the solar system with the closest orbit to the Sun, named after the god; represented by ☿.
- (Roman mythology) The Roman god associated with speed, sometimes used as a messenger, wearing winged sandals; the Roman counterpart of the Greek god Hermes.
- (obsolete, alchemy, chemistry) Quicksilver, mercury.
- Note: No longer capitalized, as the name of the metal is no longer recognized as that of the planet.
- (astronomy, astrology): ☿
- (planets of the Solar System) planets of the Solar System; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
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- A carrier of tidings.
- A newsboy, a messenger. [16th–19th c.]
- A footman.
- Someone who carries messages between lovers; a go-between. [from 17th c.]
- 1751, [Tobias] Smollett, The Adventures of Peregrine Pickle […], volumes (please specify |volume=I to IV), London: Harrison and Co., […], →OCLC:
- His Mercury having made his observations, reported, that there was no body in the coach but Mrs. Hornbeck and an elderly woman, who had all the air of a duenna, and that the servant was not the same footman who had attended them in France.
- A newspaper. [from 17th c.]
- 1849–1861, Thomas Babington Macaulay, chapter 21, in The History of England from the Accession of James the Second, volumes (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans, →OCLC:
- No allusion to it is to be found in the monthly Mercuries.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “Mercury”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)
- Alternative form of