Proboscic: having a proboscis; relating to, resembling, or of the nature of a proboscis — now chiefly humorous with reference to a person's nose (OED). See proboscidiform.
1852 J. Coldstream in Todd's Cycl. Anat. & Physiol. IV. i. 36/2 Pulmograda..4. Proboscic: the lower and central part of the body prolonged into a proboscis-like appendage. 1920 Sheboygan (Wisconsin) Press 31 Dec. 16/3 Meanderer's emotion then found relief in a tear from each eye, which proboscic moistening he is brazen enough to confess here without blushing. 1988 Newsday (N.Y.) (Nexis) 6 Nov. 39 A candidate for office dare not sneeze in public until his analysts have assessed public opinion of such involuntary proboscic activity. 2000 Independent (Nexis) 26 July 5 With its proboscic snout, its attenuated delta wings..and its aristocratic demeanour, Concorde continues to make heads turn.