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See also: Apex, APEX, ápex, and àpex


English Wikipedia has articles on:


From Latin apex (point, tip, summit), from apō (fasten, attach).



apex (plural apices or apexes)

  1. The highest or the greatest point of something.
    the apex of the building
  2. (figuratively) The moment of greatest success, expansion, etc.
    the apex of civilization
  3. (geometry) The topmost vertex of a cone or pyramid (in their conventional orientation).
  4. (chiefly anatomy) The "pointed" fine end of something.
    1. The lowest part of the human heart.
    2. The deepest part of a tooth's root.
  5. (botany) The end of a leaf, petal or similar organ opposed to the end where it is attached to its support; the tip.
  6. (astronomy) The point on the celestial sphere toward which the sun appears to move relative to nearby stars.
  7. (physics) The lowest point on a pendant drop of a liquid.
  8. (mining, US) The end or edge of a vein nearest the surface.
  9. (typography) A diacritic in Classical Latin that resembles and gave rise to the acute.
  10. (typography) A diacritic in Middle Vietnamese that indicates /ŋ͡m/.
  11. (typography) A sharp upward point formed by two strokes that meet at an acute angle, as in "W", uppercase "A", and closed-top "4", or by a tapered stroke, as in lowercase "t".
  12. (attributive, ecology) The top of the food chain
    An apex predator, also known as an alpha predator or top predator, is a predator at the top of a food chain, with no natural predators


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Further reading[edit]


Latin Wikipedia has an article on:
Wikipedia la


From Proto-Indo-European *h₂ep- (to join, fit). Cognate with Latin apō.



apex m (genitive apicis); third declension

  1. summit
  2. top
  3. cap of a priest (flamen); hat, helmet, crown
  4. apex, macron (long mark over a vowel)
  5. vocative singular of apex


Third-declension noun.

Case Singular Plural
Nominative apex apicēs
Genitive apicis apicum
Dative apicī apicibus
Accusative apicem apicēs
Ablative apice apicibus
Vocative apex apicēs


  • Catalan: àpex
  • English: apex
  • French: apex
  • Galician: ápice
  • German: Apex


  • apex in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • apex in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • apex in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • apex in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • apex in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • apex in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin