noun py·lo·rus \-əs\
plural py·lo·ri \-ˈlr-ˌī, -(ˌ)ē\

Definition of PYLORUS

:  the muscular opening from the vertebrate stomach into the intestine

Origin of PYLORUS

Late Latin, from Greek pylōros, literally, gatekeeper, from pylē
First Known Use: 1565


noun py·lo·rus \pī-ˈlōr-əs, pə-ˈlr-\   (Medical Dictionary)
plural py·lo·ri \-ˈlō(ə)r-ˌī, -(ˌ)ē\

Medical Definition of PYLORUS

:  the opening from the vertebrate stomach into the intestine—see pyloric sphincter


Next Word in the Dictionary: pylstertPrevious Word in the Dictionary: pyloric sacAll Words Near: pylorus
March 26, 2015
verdigris Hear it
A green deposit formed on some metals
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears