What does zarda mean in Latin?

zarda, a noun, means “spavin”.

What is the genitive of zarda?

The genitive singular is zardae. zarda is feminine, first declension.

In classical Latin, [ˈzar.da]; in ecclesiastical (church) Latin, [ˈd͡zar.da].

noun · femininefirst declension

zarda f (genitive zardae)

Classical[ˈzar.da]Ecclesiastical[ˈd͡zar.da]

Medieval Latinfemininerarespavin
[equꝰ] qn̄ꝫ nascit̃ cum zardis[the horse] is sometimes born with spavins1300s, Pietro De' Crescenzi, “Dē aegritūdinibus equōrum et cūrā eōrum [On the illnesses of horses, and cure thereof]”, Liber nōnus - Dē omnibus animālibus quae in rūre nūtriuntur [Ninth book - On all the animals which are fed in the farm], in Rūrālium commodōrum librī XII [The 12 books of agricultural advantages] (overall work in Medieval Latin); republished (manuscript), 1471, page 308:

Borrowed from Arabic جَرَذ (jaraḏ). Compare Italian giarda.