Probably from *bʰleh₂- (to swing back and forth) +‎ *-rom, whence also flāgitō (I demand).



flagrum n (genitive flagrī); second declension

  1. whip, scourge, lash


Second-declension noun (neuter).

Case Singular Plural
Nominative flagrum flagra
Genitive flagrī flagrōrum
Dative flagrō flagrīs
Accusative flagrum flagra
Ablative flagrō flagrīs
Vocative flagrum flagra

Derived termsEdit


  • flagrum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • flagrum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • flagrum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
  • flagrum”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • flagrum”, in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin
  • De Vaan, Michiel (2008), “flagrum”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 224