Take: a Latin imperative used (commonly abbreviated R. or ℞) at the beginning of physicians' prescriptions, as formerly and in part still written in Latin.n. A formula for the compounding of a remedy, with directions for its use, written by a physician; a medical prescription.n. A prescribed formula in general, but especially one having some relation or resemblance to a medical prescription; a receipt.n. Synonyms Receipt, etc. See reception.