Main Entry: py·lo·rus

Pronunciation: \-əs\

Function: noun

Inflected Form(s): plural py·lo·ri \-ˈlȯr-ˌī, -(ˌ)ē\

Etymology: Late Latin, from Greek pylōros, literally, gatekeeper, from pylē

Date: 1615

: the muscular opening from the vertebrate stomach into the intestine