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.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.