Rē'ctum, n.
n. [Lat. (sc. intestinum), from rectus, straight.] (Anat.) The terminal part of the large intestines;—so named because supposed by the old anatomists to be straight.
n. [Lat. (sc. intestinum), from rectus, straight.] (Anat.) The terminal part of the large intestines;—so named because supposed by the old anatomists to be straight.