(1):
(n.) An imaginary liquor capable of transmuting metals into gold; also, one for producing life indefinitely; as, elixir vitae, or the elixir of life.
(2):
(n.) Any cordial or substance which invigorates.
(3):
(n.) A tincture with more than one base; a compound tincture or medicine, composed of various substances, held in solution by alcohol in some form.
(4):
(n.) The refined spirit; the quintessence.