caviar/ˈkæv.iˌɑɹ/EtymologyBorrowed from Middle French caviar, from Venetan caviaro (earlier found as Italian caviale), probably by way of Ottoman Turkish خاویار (havyar), from Classical Persian خَاوْیَار (xāwyār). Doublet of ajvar.caviar means roe of the sturgeon or of certain other large fish, considered a delicacy. Lexicurio rates it Distinctive — a strength score of 65 out of 100.nounRoe of the sturgeon or of certain other large fish, considered a delicacy.Something whose flavor is too fine for the vulgar taste.