σημεῖον

• σημήϊον (sēmḗïon) — Ionic
• σᾱμήϊον (sāmḗïon), σᾱμεῖον (sāmeîon), σᾱμᾶον (sāmâon) — Doric

From σῆμᾰ (sêma, “mark, sign”) +‎ -ῐον (-ion).

σημεῖον • (sēmeîon) n (genitive σημείου); second declension

1. a mark, sign, token; an indication
2. tomb
3. sign from the gods, omen
   1. wonder, portent
4. sign or signal to do a thing, made by flags
5. standard or flag
   1. body of troops under one standard or flag
6. (heraldry) device upon a shield or ship; figurehead
7. signet on ring; figure, image
8. watchword, warcry
9. birthmark or distinguishing feature
10. (logic) a proof
11. (logic) a sign used as a probable argument in proof of a conclusion
12. (geometry) a point
    • 350 BCE – 250 BCE, Euclid, Elements 1:

      σημεῖόν ἐστιν, οὗ μέρος οὐθέν.

      sēmeîón estin, hoû méros outhén.

      A point is that of which there is no part.

13. (medicine) symptom
14. (medicine) a kind of skin eruption
15. (in the plural) shorthand symbols
16. critical mark
17. (mathematics) mathematical point
18. point of time, instant
19. (prosody, music) unit of time

• (antonym(s) of “a sign used as a probable argument in proof of a conclusion”): τεκμήριον (tekmḗrion)

• Greek: σημείο (simeío)

• “σημεῖον”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• σημεῖον in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• G4592 in Strong, James (1979) Strong’s Exhaustive Concordance to the Bible
• Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎^[1], London: Routledge & Kegan Paul Limited.
  • alarm idem, page 21.
  • armorial bearings idem, page 40.
  • attribute idem, page 52.
  • badge idem, page 59.
  • banner idem, page 62.
  • blazonry idem, page 82.
  • clue idem, page 140.
  • coat idem, page 141.
  • command idem, page 146.
  • countersign idem, page 178.
  • crest idem, page 184.
  • demonstration idem, page 210.
  • device idem, page 220.
  • emblem idem, page 267.
  • ensign idem, page 276.
  • escutcheon idem, page 282.
  • evidence idem, page 285.
  • figure-head idem, page 319.
  • flag idem, page 325.
  • impression idem, page 423.
  • indication idem, page 432.
  • insignia idem, page 444.
  • landmark idem, page 475.
  • manifestation idem, page 512.
  • omen idem, page 572.
  • password idem, page 597.
  • portent idem, page 627.
  • proof idem, page 653.
  • seal idem, page 746.
  • sign idem, page 774.
  • signal idem, page 775.
  • standard idem, page 810.
  • star idem, page 811.
  • symbol idem, page 850.
  • symptom idem, page 851.
  • testimony idem, page 863.
  • toilsomeness idem, page 880.
  • type idem, page 904.
  • watch-word idem, page 966.