Octocerata :: Octocerata (n.pl.) A suborder of Cephalopoda including Octopus, Argonauta, and allied genera, having eight arms around the head; -- called also Octopoda..
Proctocele :: Proctocele (n.) Inversion and prolapse of the mucous coat of the rectum, from relaxation of the sphincter, with more or less swelling; prolapsus ani..