What is the meaning of Magistral?

Pertaining to or befitting a master; authoritative.

Sovereign (of a remedy); extremely effective.

Formulated extemporaneously, or for a special case; opposed to officinal, and said of prescriptions and medicines.

A sovereign medicine or remedy.

A magistral line.

Powdered copper pyrites used in the amalgamation of ores of silver, as at the Spanish mines of Mexico and South America.

characteristic of a master or mastery; masterful, magistral

magistral line.

main, arterial.

master; magistral

ex cathedra

remarkable, masterful

resounding, sound

reintegrationist spelling of maxistral

masterly

magistral, magisterial

Source: wiktionary.org