uil·leann pipe also uil·lean pipe 
(ĭlən, -yən)
(ĭlən, -yən)n. often uilleann pipes
A Celtic bagpipe whose air supply is produced by a bellows held under the arm and operated by the elbow.
[Irish Gaelic, genitive of uillinn, elbow, from Old Irish uilenn; see el- in the Appendix of Indo-European roots.]
- for better or (for) worse
- for better or for worse
- for better or worse
- forbid
- forbiddance
- forbidden
- Forbidden City
- forbidden fruit
- forbidder
- forbidding
- forbiddingly
- forbore
- forborne
- force
- forceable
- forced
- forced march
- force-feed
- force field
- forceful
- forcefully
- forcefulness
- force hand
- force majeure
- force-march