(Post*a"nal) a. [Pref. post- + anal.] (Anat.) Situated behind, or posterior to, the anus.
(Post*ax"i*al) a. [Pref. post- + axial.] (Anat.) Situated behind any transverse axis in the
body of an animal; caudal; posterior; especially, behind, or on the caudal or posterior (that is, ulnar or
fibular) side of, the axis of a vertebrate limb.
1. One who rides post horses; a position; a courier.
2. A boy who carries letters from the post.
(Post"-cap`tain) n. A captain of a war vessel whose name appeared, or was "posted," in
the seniority list of the British navy, as distinguished from a commander whose name was not so posted.
The term was also used in the United States navy; but no such commission as post-captain was ever
recognized in either service, and the term has fallen into disuse.
(||Post"ca`va) n.; pl. Postcavæ . [NL. See Post-, and Cave, n.] (Anat.) The inferior vena
cava. Post"ca`val a. B. G. Wilder.
(Post*clav"i*cle) n. [Pref. post- + clavicle.] (Anat.) A bone in the pectoral girdle of many
fishes projecting backward from the clavicle. Post`*cla*vic"u*lar a.
(Post*com"mis*sure) n. [Pref. post- + commisure.] (Anat.) A transverse commisure
in the posterior part of the roof of the third ventricle of the brain; the posterior cerebral commisure. B.
(Post`com*mun"ion) n. [Pref. post- + communion.]
1. (Ch. of Eng. & Prot. Epis. Ch.) The concluding portion of the communion service.
2. (R. C. Ch.) A prayer or prayers which the priest says at Mass, after the ablutions.