of, relating to, or belonging to the Proboscidea, an order of massive herbivorous placental mammals having tusks and a long trunk: contains the elephants
noun
2.
any proboscidean animal
proboscidean in American English
(ˌproʊbəˈsɪdiən)
noun
1.
any of an order (Proboscidea) of large mammals having tusks and a long, flexible, tubelike snout, as the elephant