Gemini

Borrowed from Latin geminī, plural of geminus (“twin”), calque of Ancient Greek Δίδυμοι (Dídumoi).

• IPA^(key): /ˈd͡ʒɛmɪnaɪ/, /ˈd͡ʒɛmɪniː/

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Gemini (symbol ♊︎)

2. (astronomy) A constellation of the zodiac traditionally taken to represent the pair of twins Castor and Pollux in Greek mythology. It contains the stars Castor, Pollux, and Alhena.
4. (astrology) The zodiac sign for the twins, ruled by Mercury and covering May 22 – June 21 (tropical astrology) or June 16 – July 15 (sidereal astrology).
   • 2025 May 16th, “Gemini: May Legendary Wildcard”, in Rise of the Half Moon:

     Gemini is the third sign of the zodiac, spanning the 60–89th degrees. The Sun is in Gemini from around 21 May to 20 June.

5. (Greek mythology) The twin brothers Castor and Pollux together.

   Synonym: Dioscuri

• Geminian

• geminate
• gemination

Gemini (plural Geminis)

1. Someone who has the Gemini star sign.

   Antonym: Sagittarius

   • 2022, Candice Carty-Williams, People Person, Trapeze, page 304:

     Danny had decided he was going to try to give things a proper go with Marley’s mum, so was mainly uncontactable because, ironically, as a Gemini, he wasn’t good at focusing on two things at once.

2. (obsolete) A pair of something.
   • c. 1597 (date written), William Shakespeare, “The Merry Wiues of Windsor”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act II, scene ii], page 45, column 1:

     I haue grated vpon my good friends for three Repreeues for you, and your Coach-fellow Nim; or elſe you had look’d through the grate, like a Geminy of Baboones: […]

• Geminian

Perhaps identical with the above (compare Latin ēdepol (“by Pollux”), ēcastor (“by Castor”)), but perhaps more likely distinct in origin: compare Dutch jemenie, jemie, German gemine, jemine, Czech jémine, all ultimately shortened from Latin Iēsū domine (“O Lord Jesus”).

Gemini

1. Obsolete form of jiminy (“an expression of mild surprise or annoyance”).

Phono-semantic matching of Hindi जमना (jamnā), alternative form of यमुना (yamunā).

Gemini

1. Obsolete form of Yamuna (“a tributary of the Ganges”).

• mingei

From geminī (“twins”).

• (Classical Latin) IPA^(key): [ˈɡɛ.mɪ.niː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈd͡ʒɛː.mi.ni]

Geminī m pl (genitive Geminōrum); second declension

1. (astronomy, astrology) Gemini (The Twins)

Second-declension noun, plural only.

• → English: Gemini

Borrowed from Latin gemini.

Gemini ?

1. (astronomy) Gemini (constellation)

   Synonyms: Gémeos, Gêmeos