Pi'broch, n.

(Synop., § 130), n. [Gael. piobaireachd, pipe-music, from piobair, a piper, piob, a pipe, bag-pipe.] A wild, irregular species of music, peculiar to the Highlands of Scotland. It is performed on a bagpipe, and adapted to excite or assuage passion, and particularly to rouse a martial spirit among troops going to battle. Jamieson. Obliged to satisfy his curiosity by whistling a pibroch. W. Scott.