Duodenum
Pronunciation : Du`o*de"num
Part of Speech : n.
Etymology : [NL., fr. duodeni twelve each: cf. F. duodenum. So called because its length is about twelve fingers' breadth.] (Anat.)
Definition : Defn: The part of the small intestines between the stomach and the jejunum. See Illust. of Digestive apparatus, under Digestive.
Source : Webster's Unabridged Dictionary, 1913