What does ruidus mean in Latin?

ruidus, a adjective, means “rough”.

How do you pronounce ruidus?

In classical Latin, [ˈru.ɪ.dʊs]; in ecclesiastical (church) Latin, [ˈruː.i.dus].

adjectivefirst/second-declension adjective

ruidus (feminine ruida, neuter ruidum)

Classical[ˈru.ɪ.dʊs]Ecclesiastical[ˈruː.i.dus]

singular
form	masculine	feminine	neuter
nominative	ruidus	ruida	ruidum
genitive	ruidī	ruidae	ruidī
dative	ruidō	ruidae	ruidō
accusative	ruidum	ruidam	ruidum
ablative	ruidō	ruidā	ruidō
vocative	ruide	ruida	ruidum

plural
form	masculine	feminine	neuter
nominative	ruidī	ruidae	ruida
genitive	ruidōrum	ruidārum	ruidōrum
dative	ruidīs	ruidīs	ruidīs
accusative	ruidōs	ruidās	ruida
ablative	ruidīs	ruidīs	ruidīs
vocative	ruidī	ruidae	ruida

rŭĭdus, a, um, adj., perh.

I. rough: pilum (in pisturā), Plin. 18, 10, 23, § 97.