<p><strong>Adjective:</strong></p><ul><li>pertaining to or resembling a proboscis.</li><li>having a proboscis.</li><li>belonging or pertaining to the mammals of the order Proboscidea, characterized by a flexible trunk formed of the nostrils and upper lip, large tusks, a massive body, and columnar legs, comprising numerous families, including the elephant family (Elephantidae), the only proboscidean family with extant species, and the mastodon family (Mammutidae).</li></ul><p><strong>Noun:</strong></p><ul><li>a proboscidean animal.</li></ul>