ivorynounmasculine/mɐɾˈfĩ/mediummar·fimPortuguesEnglishEspanolFrancaisDefinitionHard, white substance composed mainly of dentin, forming the tusks of animals such as the elephant, walrus, or narwhal.The illegal ivory trade threatens elephant populations.The antique keys were made of genuine ivory.synivorytuskEtymologyDo árabe 'azm al-fil', 'osso de elefante'.Related wordsmarfinomarfinadomarfim-velho