Medical Definition of craniosacral. 1  1: of or relating to the cranium and the sacrum. 2  2: parasympathetic the craniosacral division of the autonomic nervous system.
In bartender's parlance, a dash of bitters is the equivalent to a few drops. In almost all cases, the bitters in question is made by Angostura Limited. Continue Reading.
More literally speaking, bitters are a liquid extraction of seeds, herbs, bark, roots, flowers, leaves and fruit of various plants. They are highly concentrated and are used by the dash to flavor cocktails.