1. Innermost planet in the solar system, and officially the smallest major planet since Pluto was demoted to the newly created category of dwarf planet in 2006. Diameter c. 3,050 miles. Large iron core, pitted surface, negligible atmosphere. Orbital period 88 days. Rotational period 59 days. Surface temperature ranges from minus 180 to plus 430 degrees Centigrade. No natural satellites. Gravity at surface about 38 percent of Earth gravity. Currently (in 2008) being mapped by the MESSENGER space probe.

2. The planet's namesake was the messenger god of ancient Rome, well known for his winged sandals and identified with intersex identity and hermaphroditism. Greek counterpart was Hermes.

3. Stage surname of lead singer Freddie of the rock group Queen. Born Farrokh Bulsara September 5th 1946, died of AIDS-related pneumonia on November 24th 1991. With his band provided much of the soundtrack for various movies, most notably Higlander. A real character.

4. Metallic chemical element, liquid at room temperature, density around 13.5 grammes per cubic centimetre (or times that of water), atomic number 80. Symbol Hg, from Latin Hydrargyrum, derived from Greek form meaning "water-silver". Toxic when ingested or vapours inhaled, affects nervous system, used in barometers, thermometers and numerous other applications.
Mercury has been visited by the spacecraft Mariner 10 and MESSENGER.

Please Mercury, may my courier reach Julius Octavius in time.

Freddie Mercury ROCKED.

Make sure you don't bite the thermometer too hard, or you'll get shards of glass in your mouth and a few drops of mercury down your throat.
by Fearman May 10, 2008
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Mercury is the people who are very chill, if you have a friend who is chill and cool with everything then they got deported from mercury. All the chill people in earth today were deported from mercury.
Dude 1: Dude how are you so chill with everyone?
Dude 2: Because I was deported from Mercury man
by The autistic person November 7, 2019
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A very loud, crazy and outgoing Calabrese family. They are always there for each other and you best be certain that if there is food, they're there. They have their own family gang sign. They also have a very handsome guy in the family named Adamo.
"you can tell they're Mercuri's"
by mercuri June 16, 2017
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A singer in Queen that was so popular they named a planet and an element after him.
*In science lab* Alright class today we learn about Freddie Mercury. They named an element and planet after him. Cool, right? *Kids cheer*
by SBD2042 October 22, 2019
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Quick, swift, especially when in reference to skating. Hard to get noticed by opposing players. See Tony Sturmanis
Whilest Michael W. Harmon was clunky and brutal, Tony Sturmanis was mercurial
by Curtis Raye March 1, 2004
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A saying for when something isn't planned, expected, or right. Or when there is just dead silence.
Person 1: Have this cheese.
Person 2: I don't like cheese.
Person 1: That's not Mercury!
by Spoonular November 13, 2009
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Reciprocal oral sex involving a male and a transexual/transvestite. A sixty-nine with a tranny.
If you're looking for a life-changing mercurial, Brazil's your place!
by Pete Walker (Inverness) December 27, 2007
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