ductus ‎(plural ductus)

  1. The number of strokes that make up a written letter, and the direction, sequence and speed in which they are written. (Compare graph; see also aspect.)
  2. A subtle reduction of weight towards the middle of the stroke of the letter.
  3. (anatomy) A duct, tube or canal in the body.

Derived termsEdit



Perfect passive participle of dūcō ‎(lead).



ductus m ‎(feminine ducta, neuter ductum); first/second declension

  1. led, guided, having been led


First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative ductus ducta ductum ductī ductae ducta
genitive ductī ductae ductī ductōrum ductārum ductōrum
dative ductō ductō ductīs
accusative ductum ductam ductum ductōs ductās ducta
ablative ductō ductā ductō ductīs
vocative ducte ducta ductum ductī ductae ducta



ductus m ‎(genitive ductūs); fourth declension

  1. leadership, leading
  2. generalship
  3. (Medieval Latin) conveyance (of water); hence, a channel


Fourth declension.

Case Singular Plural
nominative ductus ductūs
genitive ductūs ductuum
dative ductuī ductibus
accusative ductum ductūs
ablative ductū ductibus
vocative ductus ductūs

Derived termsEdit



  • ductus in Charlton T. Lewis & Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • ductus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • DUCTUS in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • ductus” in Félix Gaffiot (1934), Dictionnaire Illustré Latin-Français, Paris: Hachette.
  • Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • a conduit; an aqueduct: aquae ductus (plur. aquarum ductus)
    • the conversation began in this way: hinc sermo ductus est
    • (ambiguous) a thing is taken from life: aliquid e vita ductum est
    • (ambiguous) to derive a word from... (used of an etymologist): verbum ductum esse a...putare