Dictionary entry

Duodenum

Webster's Dictionary 1913

‖Du′o‐de″num (?), n. [NL., fr. duodeni twelve each: cf. F. duodenum. So called because its length is about twelve fingers' breadth.] (Anat.) The part of the small intestines between the stomach and the jejunum. See Illust. of Digestive apparatus, under Digestive.