LATIN DICTIONARYLexicon Latīnum
noun · masculinethird declension

apex

apex m (genitive apicis)
Classical[ˈa.pɛks]Ecclesiastical[ˈaː.peks]

Meaning

  1. masculineThe extreme end of a thing; the point, summit, top.
  2. literallymasculineThe small rod (generally of olive wood) at the top of the flamen's cap, wound around with a woolen cord or "thread".
  3. masculineThe conical leathern cap of an ancient Roman priest (the Flamen), ornamented with this rod.
  4. masculineAny hat or helmet; a crown.
  5. literallymasculineA projecting point or summit.
  6. figurativelyliterallymasculineThe highest ornament or honor; the crown of a thing.
  7. masculineThe macron (long mark over a vowel).
  8. masculineThe tilde.
  9. masculineA letter or any other writing.
  10. masculineThe forms or outlines of the letters.
  11. EcclesiasticalLatinfigurativelymasculine(of the point or apex of a Hebrew letter) The least particle, tittle.

Declension

declension
formsingularplural
nominativeapexapicēs
genitiveapicisapicum
dativeapicīapicibus
accusativeapicemapicēs
ablativeapiceapicibus
vocativeapexapicēs

ăpex, ĭcis, m. etym. acc. to Serv. ad Verg. A. 10, 270, and Paul. ex Fest. p. 18 Müll., from apo, to join to, whence aptus; cf. Van. Etym. p. 33,
I. the extreme end of a thing, the point, summit, top (syn.: cacumen, summa, fastigium, culmen, vertex); hence,
I. Lit., the small rod at the top of the flamen's cap, wound round with wool, Serv. ad Verg. A. 2, 683; 10, 270.—Hence,
II. Transf.
A. (As pars pro toto.) The conical cap of the flamen, ornamented with this rod: QVEI. APICEM. INSIGNE. DIALIS. FLAMINIS. GESISTEI, Epitaph. Scip. Grotef. 2, 299: apicem dialem, Liv. 6, 41: apex e capite prolapsus, Val. Max. 1, 1, n. 4.—Hence, of the priesthood itself: homo honestus non apice insignis, Sen. ap. Lact. 17, 6.—
B. Any hat or helmet, a crown: ab aquilā Tarquinio apicem impositum putent, Cic. Leg. 1, 1: regum apices, Hor. C. 3, 21, 20: ardet apex capiti, Verg. A. 10, 270; 2, 683.—Of birds, the crest, Plin. 11, 37, 44, § 121.—
C. A projecting point or summit.
1. Lit., of trees: lauri, Verg. A. 7, 66.—Of a headland: sublimis, Juv. 12, 72: montis apex, Sil. 12, 709; so Vulg. Judith, 7, 3.—Of the point of a sickle, Col. 4, 25, 1.—Of the summit of a flame, Ov. M. 10, 279 et saep.—
2. Trop., the highest ornament or honor, the crown of a thing: apex est senectutis auctoritas, Cic. Sen. 17, 60: hinc apicem Fortuna sustulit, hic posuisse gaudet, Hor. C. 1, 34, 14.—
D. 1.. In gram., the long mark over a vowel, Quint. 1, 7, 2; 1, 4, 10; 1, 5, 23; Victor. p. 2469 P.—Hence, trop.: nullum apicem quaestionis praetermittere, Arn. 3 init.—
2. The forms or outlines of the letters: litterarum apices, Gell. 13, 30, 10; 17, 9, 12.—Hence (per synecdochen),
E. A letter or any other writing: apicum oblator, Sid. Ep. 6, 8: Augusti apices, i. e. rescripts, Cod. Just. 2, 8, 6 fin.—
F. Of the point or apex of a Hebrew letter, put fig. for the least particle, tittle (eccl. Lat.; Gr. ἡ κεραία): iota unum aut unus apex non praeteribit a lege, Vulg. Matt. 5, 18; ib. Luc. 16, 17.

Origins

From Proto-Italic *apeks, from Proto-Indo-European *h₂ep- (“to join, fit”). De Vaan approches this connection with caution since a link with apiō is through some meanings feasible in addition to the observation that most ex, -icis are technical terms without Indo-European origin.

Descendants
  • Catalanàpex
  • Englishapex
  • Frenchapex
  • GermanApex
  • Italianapice
  • Portugueseápice
  • Portugueseápex
  • Romanianapex
  • Spanishápice
  • Spanishápex

In the Academy Smith's classical dictionaries

Quick answers

What does apex mean in Latin?
apex, a noun, means “The extreme end of a thing; the point, summit, top.; The small rod (generally of olive wood) at the top of the flamen's cap, wound around with a woolen cord or "thread".”.
What is the genitive of apex?
The genitive singular is apicis. apex is masculine, third declension.
How do you pronounce apex?
In classical Latin, [ˈa.pɛks]; in ecclesiastical (church) Latin, [ˈaː.peks].