noun

• A remedy believed to cure all disease and prolong life that was originally sought by alchemists; a cure-all.
• A solution to all problems.
• (obsolete) The plant allheal (Valeriana officinalis), believed to cure all ills.
• (Greek mythology) The goddess/personification of healing, remedies, cures and panaceas (medicines, salves, ointments and other curatives). She is a daughter of Asclepius and Epione.