rectum rectrix • rectus · · · Info · Definitions · Characters · · rectum · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) the terminal section of the alimentary canal; from the sigmoid flexure to the anus. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075