'Jejunum' definitions:
Definition of 'jejunum'
From: WordNet
noun
The part of the small intestine between the duodenum and the ileum
Definition of 'Jejunum'
From: GCIDE
- Jejunum \Je*ju"num\, n. [NL., fr. L. jejunus empty, dry.] (Anat.) The middle division of the small intestine, between the duodenum and ileum; -- so called because usually found empty after death. [1913 Webster]