versor

From Latin vertere, versus (“to turn”). See version.

versor (plural versors)

1. (quaternion algebra) A quaternion of norm one.
2. (geometric algebra) A multivector representing a proper or improper rotation.

• Rovers, rovers

From versō.

• (Classical Latin) IPA^(key): [ˈwɛr.sɔr]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈvɛr.sor]

versor (present infinitive versārī or versārier, perfect active versātus sum); first conjugation, deponent

1. (intransitive) to live, stay, be (somewhere)

   Synonyms: habitō, obsideō, resideō, possideō, cōnsīdō, stabulō, iaceō, incolō, subsīdō

2. (intransitive) to be (in a certain condition or set of circumstances)
3. (intransitive) to be occupied with, engaged in (in re), pay attention to, practice

   Synonyms: operor, exerceō, labōrō

   • c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico VII.27:

     Suosque languidius in opere versari iussit

     And ordered his [men] to engage in the works more remissly

4. (intransitive) to turn back and forth, rotate

¹The present passive infinitive in -ier is a rare poetic form which is attested.

• conversor

• “versor”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• "versor", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• versor in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • something presents itself to my vision: ante oculos aliquid versatur
    
  • to be in a dilemma; in difficulties: in angustiis, difficultatibus, esse or versari
    
  • to be in danger: in periculo esse or versari
    
  • the position is very critical: res in summo discrimine versatur
    
  • to be in peril of one's life: in vitae discrimine versari
    
  • a man's life is at stake, is in very great danger: salus, caput, vita alicuius agitur, periclitatur, in discrimine est or versatur
    
  • to live in poverty, destitution: in egestate esse, versari
    
  • to be mistaken: in errore versari
    
  • to be in gross error, seriously misled: in magno errore versari
    
  • to be engaged in literary pursuits: in studio litterarum versari
    
  • to be engaged in any branch of study: in aliquo litterarum genere versari
    
  • to be an ardent student of..: summo studio in litteris versari
    
  • to be well (slightly) acquainted with Greek literature: multum (mediocriter) in graecis litteris versari
    
  • abstruse studies: studia, quae in reconditis artibus versantur (De Or. 1. 2. 8)
    
  • theoretical, speculative philosophy: philosophia, quae in rerum contemplatione versatur, or quae artis praeceptis continetur
    
  • practical philosophy: philosophia, quae in actione versatur
    
  • to be at variance with: in controversia (contentione) esse, versari
    
  • to be in fear: in timore esse, versari
    
  • to be in severe pecuniary straits: in summa difficultate nummaria versari (Verr. 2. 28. 69)
    
  • to have no debts: in suis nummis versari (Verr. 4. 6. 11)
    
  • to take part in politics: in re publica or in rebus publicis versari
    
  • to use the same simile, illustration: ut in eodem simili verser
    

From Latin versus +‎ -or.^[1][2]

• Hyphenation: ver‧sor

versor m (plural versores)

1. (linear algebra) unit vector

• versorio

versor m (plural versori)

1. plough