Word Study
[2x]
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pylorus
CIDE DICTIONARY
pylorus, n. [L., fr. Gr. pylorus, gate keeper; a gate + watcher, guardian.].
The opening from the stomach into the intestine. [1913 Webster]
OXFORD DICTIONARY
pylorus, n. (pl. pylori) Anat. the opening from the stomach into the duodenum.
Derivative
pyloric adj.
Etymology
LL f. Gk puloros, pulouros gatekeeper f. pule gate + ouros warder
For further exploring for "pylorus" in Webster Dictionary Online