Webster’s Revised Unabridged Dictionary · 1913
Proctucha
Proc′tu·cha (prŏk′tū·kȧ), n. pl. [NL., from Gr. πρωκτός anus + ἔχειν to have.] (Zoöl.) (a) A division of Turbellaria including those that have an intestine terminating posteriorly. (b) The Nemertina.