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Alternative forms[edit]


From mās ("male", obl. stem marem) +‎ -culus (diminutive ending).


  • (Classical Latin) IPA(key): /ˈmas.ku.lus/, [ˈmäs̠kʊɫ̪ʊs̠]
  • (modern Italianate Ecclesiastical) IPA(key): /ˈmas.ku.lus/, [ˈmäskulus]
  • Note: the /a/ of this word is presumed to be short as in the oblique stem of the base word, and not long as in the nominative, since word-formation operates on the former.


masculus (feminine mascula, neuter masculum); first/second-declension adjective

  1. male, masculine
  2. manly, virile
  3. Used of the larger and coarser varieties of plants or other natural products
  4. (engineering) a male connector


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative masculus mascula masculum masculī masculae mascula
Genitive masculī masculae masculī masculōrum masculārum masculōrum
Dative masculō masculō masculīs
Accusative masculum masculam masculum masculōs masculās mascula
Ablative masculō masculā masculō masculīs
Vocative mascule mascula masculum masculī masculae mascula


masculus m (genitive masculī); second declension

  1. a male (of humans or other animals)


Second-declension noun.

Case Singular Plural
Nominative masculus masculī
Genitive masculī masculōrum
Dative masculō masculīs
Accusative masculum masculōs
Ablative masculō masculīs
Vocative mascule masculī

Derived terms[edit]


(Most inherited Romance reflexes derive from a syncopated variant masclus, attested in the Appendix Probi.)


Further reading[edit]

  • masculus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • masculus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • masculus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.