protologist noun2 •The first person to describe a new species.The allotype need not be described by the protologist (first describer) ; it can be contained in the original as well as in any subsequent description by other authors. — 1911 •Misconstruction of proctologist.The fifth speaker was sure it was none of these, but due to rectal irritation, vaso-motor reflex and advised divulsion of the sphincter. He was a protologist. — 1909 formsprotologists