rectum
n. பெருங்கடல் அடிக்கூறு, குதலாய்.
Rec"tum (-tm), n. Etym: [NL. (sc. intestinum), fr. L. rectus straight. See Right.] (Anat.) Defn: The terminal part of the large intestine; -- so named because supposed by the old anatomists to be straight. See Illust. under Digestive.