luau in English dictionary luau Meanings and definitions of "luau" An elaborate Hawaiian feast featuring traditional foods and entertainment named for the kalo (taro) tops traditionally served at such events. noun An elaborate Hawaiian feast featuring traditional foods and entertainment. noun an elaborate Hawaiian feast or party (especially one accompanied by traditional foods and entertainment) more Grammar and declension of luau luau ( plural luaus) luau (plural luaus or luau) more Luau Images with "luau" Sample sentences with "luau" Declension Stem Try again Available translations Dutch Estonian Finnish French German Greek Hawaiian Hungarian Italian Japanese Kannada Lingua Franca Nova Persian Polish Portuguese Romanian Samoan Serbian Spanish Authors