n. The quantity of medicine given or prescribed to be taken at one time or within a specified time; of liquid medicine, a potion.n. Hence Anything given to be swallowed, literally or figuratively; especially, a portion or allotment of something nauseous or disagreeable either to the recipient or to others.n. A quantity or amount of something regarded as analogous in some respect to a medical prescription, or to medicine in use or effect.n. In wine-manuf., the quantity of something added to the wine to give it its peculiar character: as, a dose of syrup or cognac added to champagne. See dosage, 2.To administer in doses: as, to dose out a bottle of jalap.To give doses to; give medicine or physic to.In wine-manuf., to add sugar, cognac, or whatever is needful to give a distinctive character to.To divide into proper quantities for a dose; calculate the amount of (a drug) that should be prescribed for a dose.