Proboscis – an elephant’s trunk, or a long, flexible snout; a person’s nose, humorously so called

“Even my illustrious friend, Herlock Sholmes, evinced a modicum of surprise. I distinctly saw his ears give a slight flap as he paused in the act of conveying a pinch of the best cocaine to his aquiline proboscis.”

The Complete Casebook of Herlock Sholmes, Charles Hamilton, 1924