uillean pipes /ˌilən ˈpīps, , ˌɪlən ˈpaɪps 
, ˌilyən, ˌɪljən/ ▸ plural noun Irish bagpipes played resting on the knee using bellows worked by the elbow, and having three extra pipes on which chords can be played.
– ORIGIN early 20th century : from Irish píob uilleann, literally ‘pipe of the elbow’.
EnglishOxford New American Dictionary
