Romanian Etymology Borrowed from French casque. Pronunciation Audio:(file) Noun cască f (plural căști) helmet hard hat headphones Declension More information singular, plural ... Declension of cască singular plural indefinite definite indefinite definite nominative-accusative cască casca căști căștile genitive-dative căști căștii căști căștilor vocative cască, casco căștilor Close Remove adsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads