ilocano/ˌiːləʊˈkɑːnəʊ/EtymologyBorrowed from Spanish ilocano, from iloco + -ano, where the root is from Ilocano i- (place of origin prefix) + either lukong (“hollow; concave”) or luek/luok (“cove; bay”) + Spanish -o.ilocano means of or pertaining to the Ilocano. Lexicurio rates it Sui generis — a strength score of 86 out of 100.adjOf or pertaining to the Ilocano.nameA language spoken principally on the northwestern coasts of the island of Luzon.nounThe ethnolinguistic group of the Ilocos Region on the coasts of northwestern Luzon in the Philippines.