/poh"sheuhn/ , n.
a drink or draft, esp. one having or reputed to have medicinal, poisonous, or magical powers: a love potion; a sleeping potion.
[ 1300-50; ME pocion potion- (s. of potio ) a drinking, equiv. to pot ( us ), var. of POTATUS, ptp. of potare to drink + -ion- -ION; r. ME pocioun ]
Syn . elixir, brew, concoction, philter.