'Pancreas' definitions:

Definition of 'pancreas'

(from WordNet)
noun
A large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin

Definition of 'Pancreas'

From: GCIDE
  • Pancreas \Pan"cre*as\, n. [NL., fr. Gr. ?; pa^s, pa^n, all + kre`as flesh, meat: cf. F. pancr['e]as.] (Anat.) The sweetbread, a gland connected with the intestine of nearly all vertebrates. It is usually elongated and light-colored, and its secretion, called the pancreatic juice, is discharged, often together with the bile, into the upper part of the intestines, and is a powerful aid in digestion. See Illust. of Digestive apparatus. [1913 Webster]