irroration noun2 •Markings reminiscent of spots or dew drops.Black, markings formed by pale blue glossy irroration; markings white on costal edge. — 1952 •(no longer used) A sprinkling or wetting with dew.Generally, to the irroration of the body much use of sweet things is profitable, as of sugar, honey, sweet almonds, pineapples, pistachios, dates, raisins of the sun, corans, figs, and the like. — 1638 formsirrorations
