Main Entry: uil·leann pipes

Pronunciation: \ˈi-lən-\

Function: noun plural

Usage: often capitalized

Etymology: uilleann from Irish, genitive singular of uillinn elbow, from Old Irish uilen; akin to Old English eln ell — more at ell

Date: 1906

: an Irish bagpipe with air supplied by a bellows held under and worked by the elbow