A medicine, medication or drug.

plural of medicament

(medicine, archaic or historical) Synonym of pharmacology, particularly its development in early modern Europe.

(medicine, archaic or historical) Synonym of medicine: the substances so used, particularly traditional cures prepared from animals and plants such as herbal medicines but inclusive of early drugs.

(archaic) Of or pertaining to medicaments or healing applications; having the qualities of medicaments.

In terms of medicinal properties.

The administration of medicament; medication.

In a medicamentous manner; medicinally.

plural of medicamentation

Of or relating to medicament; medicinal.