1. The quantity of medicine given, or prescribed to be taken, at one time. 2. A sufficient quantity; a portion; as much as one can take, or as falls to one to receive. 3. Anything nauseous that one is obliged to take; a disagreeable portion thrust upon one. I am for curing the world by gentle alteratives, not by violent doses. W. Irving. I dare undertake that as fulsome a dose ...