magistral

adjective

1. Pharmacology. prescribed or prepared for a particular occasion, as a remedy.Compare officinal(def 1).
2. Fortification. principal; main.
3. magisterial(def 1).

noun

4. magistral line.

adjective

1. of, relating to, or characteristic of a master
2. pharmacol obsolete made up according to a special prescriptionCompare officinal
3. fortifications determining the location of other fortificationsthe magistral line

noun

4. a fortification in a determining position

adj.1570s, from Latin magistralis “of a master,” from magister “chief, director” (see master (n.)). adj.

1. Prepared as specified by a physician’s prescription. Used of medicine.