noun A measure of herrings, either imprecise or sometimes legally specified. It has oftentimes been about 37½ imperial gallons, or ~750 herrings on average (up to 1200 or even ~2500).
noun A barrel made to hold such a measure.
noun An embellishment played on a chanter of a bagpipe or a tin whistle, consisting of a series of grace notes produced by rapid sequential lifting of the fingers.