PRESCRIBE Copy link • PRESCRIBETo command, praecipere, or praescribere alicui aliquid, or with ut: to prescribe to anybody what to do, praescribere alicui quae agenda sunt: to prescribe a rule or law to one’s self, sibi ipsi aliquid praescribere, or legem scribere, statuere. (As a physician), medicamenta praescribere (Cic.): for a disease, morbo remedium proponere (Nep.): valetudinis curationem praescribere (Cic.).