LATIN DICTIONARYLexicon Latīnum
nounsecond declension

morbus gallicus

morbus gallicus m sg (genitive morbī gallicī)

Meaning

  1. New Latinmasculinesingularsyphilis
    Tractatus cum consiliis contra pudendagram seu morbum gallicumPlans to deal with venereal disease or syphilisc. 1498, Gaspar Torrella, Tractatus cum consiliis contra pudendagram seu morbum gallicum, →OCLC:
    Syphilis sive morbus Gallicus.Syphilis, or the French disease1830 [1530], Girolamo Fracastoro, edited by Ludwig Choulant, Hieronymi Fracastori Syphilis sive Morbus gallicus, page 14:

Declension

declension
formsingularplural
nominativemorbus gallicus—
genitivemorbī gallicī—
dativemorbō gallicō—
accusativemorbum gallicum—
ablativemorbō gallicō—
vocativemorbe gallice—

Origins

Compound of morbus (“disease”) + gallicus (“Gallic, French”). Attested from the 16th century. Compare English French pox (“syphilis”).

Quick answers

What does morbus gallicus mean in Latin?
morbus gallicus, a noun, means “syphilis”.
What is the genitive of morbus gallicus?
The genitive singular is morbī gallicī. morbus gallicus is second declension.