cran

noun

1. 1.A measure of herrings, either imprecise or sometimes legally specified. It has sometimes been about 37½ imperial gallons, or 750 herring on average.
2. 2.(by extension) A barrel made to hold such a measure.
3. 3.An embellishment played on the lowest note of a chanter of a bagpipe, consisting of a series of grace notes produced by rapid sequential lifting of the fingers of the lower hand.