LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

pilus1

pilus m (genitive pilī)
Classical[ˈpɪ.ɫʊs]Ecclesiastical[ˈpiː.lus]

Meaning

  1. literallymasculinea hair
  2. figurativelymasculinean insignificant amount; iota; least amount

Choosing the right word Döderlein's Latin Synonyms

Crinis · Capillus · Coma · Cæsaries · Pilus · Cirrus · Cincinnus

1. Crinis and capillus denote the natural hair merely in a physical sense, like θρίξ; crinis (from κάρηνον), any growth of hair, in opposition to the parts on which hair does not grow; capillus (from caput), only the hair of the head, in opp. to the beard, etc. Liv. vi. 16. Suet. Aug. 23. Cels. vi. 2. Cic. Tusc. v. 20. Rull. ii. 5; whereas in coma and cæsaries the accessory notion of beauty, as an object of sense, is involved, inasmuch as hair is a natural ornament of the body, or itself the object of ornament; coma (κόμη) is especially applicable to the hair of females; cæsaries, to that of males, like ἔθειρα. Hence crinitus means nothing more than covered with hair; capillatus is used in opp. to bald-headed, Petron. 26, and the Galli are styled comati, as wearing long hair, like καρηκομόωντες. 2. Crinis, capillus, coma, cæsaries, denote the hair in a collective sense, the whole growth of hair; whereas pilus means a single hair, and especially the short and bristly hair of animals. Hence pilosus is in opp. to the beautiful smoothness of the skin, as Cic. Pis. I; whereas crinitus and capillatus are in opp. to ugly nakedness and baldness. (iii. 14.) 3. Cirrus and cincinnus denote curled hair; cirrus (κόῤῥη) is a natural, cincinnus (κίκιννος) an artificial curl. (iii. 23.)

Declension

declension
formsingularplural
nominativepiluspilī
genitivepilīpilōrum
dativepilōpilīs
accusativepilumpilōs
ablativepilōpilīs
vocativepilepilī

pĭlus, i, m.,
I. a hair (syn.: villus, seta).
I. Lit.: capra pilos ministrat ad usum nauticum, Varr. R. R. 2, 11: munitae sunt palpebrae vallo pilorum, Cic. N. D. 2, 57, 143: caudae pilos equinae vellere, Hor. Ep. 2, 1, 45: duris aspera crura pilis, Ov. A. A. 3, 194: contra pilum equum fricare, Pelag. Vet. 26: in capite homini plurimus pilus, Plin. 11, 37, 47, § 130.—Prov.: non minus molestum est calvis quam comatis pilos velli, Sen. Tranq. An. 8, 2, 3: propius quidem est a sole mons quam campus aut valles, sed sic, quomodo est pilus pilo crassior, Sen. Q. N. 4, 11, 4.—
II. Transf.
A. Collect., hair, the hair: fruticante pilo neglecta et squalida crura, Juv. 9, 15.—
B. As a designation of insignificance, a hair, a trifle; usually joined with a negative, not a hair, not a bit, not a whit (class.): ego ne pilo quidem minus me amabo, Cic. Q. Fr. 2, 16, 5: interea e Cappadociā ne pilum quidem, id. Att. 5, 20, 6: ne ullum pilum viri boni habere dicatur, has not a hair of a good man about him, id. Rosc. Com. 7, 20: non facit pili cohortem, does not value it a straw, Cat. 10, 13; cf.: nec pili facit uni, cares not a pin about it, id. 17, 16.—In plur., a garment or fabric made of hair: vestitus pilis cameli, Vulg. Marc. 1, 6.

Origins

Uncertain. Older sources reconstruct Proto-Indo-European *pilo- (“hair”), with Latin pilleus (“felt cap”), Ancient Greek πῖλος (pîlos, “wool or hair wrought into felt”), Proto-Slavic *pь̑lstъ (“felt”) as cognates, but this is no longer accepted.

Gallo-Romance
  • Frenchpoilfrom Old French peil
  • Englishpelagefrom Old French peil
  • Frenchpelagefrom Old French peil
  • Franco-Provençalpêl
  • Normanpéfrom Old French peil
Insular Romance
  • Sardinianpilu
  • Sardinianpiu
Occitano-Romance
  • Catalanpèl
  • Occitanpel
Ibero-Romance
  • Portuguesepelofrom Old Galician-Portuguese pelo
  • Spanishpelo
  • Asturianpelu
  • Asturianpelo
  • Galicianpelofrom Old Galician-Portuguese pelo
Balkan Romance
  • Romanianpăr
  • Aromanianper
  • Megleno-Romanianper
  • Istro-Romanianper
Italo-Romance
  • Italianpelo
  • Neapolitanpilo
  • Sicilianpilu
Borrowings
  • Englishpile
  • Idopilo
Dalmatian
  • unknownpail
North Italian
  • Emilianpèil
  • Emilianpäil
  • Emilianpel
  • Ligurianpèi
  • Lombardpel
  • Lombardpil
  • Piedmontesepèil
  • Piedmontesepèi
  • Romagnolpél
  • Romagnolpäil

In English words that came into English from pilus

  • peelpilo
  • caterpillarcatta
  • pillagepiliō
  • pelotonpila
  • pileouspilus
  • pilonidalpilus
  • pilepilus
  • horripilationhorripilatio
  • piluspilus
  • piliferouspilus
  • piligerouspilus
  • piliformpilus
  • floccinaucinihilipilificationfloccus
  • horripilatehorripilātus
  • pilarpilāris
  • pilosepilōsus
  • epilatepilus
  • pilocytepilus
  • pelositypilosus
  • pillpilō
  • stramenopilestramen
  • horripilanthorripilāns
  • mollipilosemollis
noun · masculinesecond declension
pīlus2
pīlus m (genitive pīlī)
Classical[ˈpiː.ɫʊs]Ecclesiastical[ˈpiː.lus]

Meaning

  1. a maniple of the triāriī; a reserve company of veteran soldiers

Declension

declension
formsingularplural
nominativepīluspīlī
genitivepīlīpīlōrum
dativepīlōpīlīs
accusativepīlumpīlōs
ablativepīlōpīlīs
vocativepīlepīlī

pīlus, i, m. pilum, regularly joined with
I. primus: primus pilus (in the gen. written also as one word, primipili), the division of the triarii in the Roman army: P. Sextius Baculus, primi pili centurio, Caes. B. G. 3, 5; id. B. C. 1, 13: T. Balventius, qui superiore anno primum pilum duxerat, had been leader, captain of the triarii, id. B. G. 5, 35; Liv. 42, 34, 11: aliquem ad primum pilum transducere, to transfer, advance to the triarii, Caes. B. C. 3, 53, 5: primos pilos ademit, took the command of the triarii, of the primipili, Suet. Calig. 44: vetus consuetudo tenuit, ut ex primo principe legionis promeretur centurio primi pili, qui non solum aquilae praeerat, verum etiam quatuor centurias in primā acie gubernabat, Veg. Mil. 2, 8.—Without primus: referes pili praemia, Mart. 6, 58, 10; 1, 32, 3.—
II. Transf.: primipilus (in inscrr. also written PRIMOPIL, and abbrev. P. P.), the chief centurion of the triarii (the transf. arose from the circumstance that the chief centurion of this division was originally designated by the term primi pili, with the omission of the easily supplied centurio, as is shown by the following citation from Liv. 7, 41, 5; soon, however, from primi pili, a new word, primipilus or primopilus, was formed): primus centurio erat, quem nunc primi pili appellant, Liv. 7, 41, 5; 8, 8, 16: primipilo P. Sext. Baculo vulneribus confecto, Caes. B. G. 2, 25: aquilarum altera vix convelli a primipilo potuit, Val. Max. 1, 6, 11; Inscr. (of the time of Trajan) Orell. 799: SEX. AVLIENO SEX. F. PRIMOPIL. II., Inscr. (of the time of Tiberius or Caligula) Orell. 3426 M. P.; cf. Becker, Antiq. 3, 3, p. 264.

Origins

Proto-Indo-European *peys-der. Proto-Indo-European *pistlom Proto-Italic *pistlom Latin pīlum Latin pīlus From pīlum (“javelin”).

In English words that came into English from pīlus

  • primipilarprimipilaris

Quick answers

What does pilus mean in Latin?
pilus, a noun, means “a hair; an insignificant amount; iota”.
What is the genitive of pilus?
The genitive singular is pilī. pilus is masculine, second declension.
How do you pronounce pilus?
In classical Latin, [ˈpɪ.ɫʊs]; in ecclesiastical (church) Latin, [ˈpiː.lus].
Which English words come from pilus?
English words that go back to Latin pilus include pileous, pilonidal, pile, pilus, piliferous and piligerous.