noun ivory; the tusk of the elephant.
2. elephant ·noun a mammal of the order proboscidia, of which two living species, elephas indicus and e. africanus, and several fossil species, are known. they have a proboscis or trunk, and two large ivory tusks proceeding from the extremity of the upper jaw, and curving upwards. the molar teeth are large and have transverse folds. elephants are the largest land animals now existing.