U
- Undercut
- Removing material from the underneath of a finger hole to sharpen the note on the chanter without changing the shape of the hole.
- Union
- An early name for Uilleann Pipes.
- Unison
- In pipe bands, the term unison normally refers to how closely melody players are playing together.
- Urlar
- Gaelic word for Ground. See Piobaireachd above.
Read more about this topic: Glossary Of Bagpipe Terms