pro·bos·cid·e·an also pro·bos·cid·i·an 
(prō′bə-sĭdē-ən, prō-bŏs′ĭ-dēən)
(prō′bə-sĭdē-ən, prō-bŏs′ĭ-dēən)n.
Any of various mammals of the order Proboscidea, including elephants and their extinct relatives, usually having a trunk and tusks.
adj.
Of or belonging to the order Proboscidea.
[From New Latin Proboscidea, order name, from Latin proboscis, proboscid-, proboscis; see PROBOSCIS.]