po ‧ tion /ˈpəʊʃ ə n $ ˈpoʊ-/ BrE AmE noun [countable]
[ Date: 1200-1300 ; Language: Old French ; Origin: Latin potio 'drink' , from potare 'to drink' ]
1 . literary a drink intended to have a special or magical effect on the person who drinks it, or which is intended to poison them:
a magic potion
a love potion
2 . a medicine, especially one that seems strange or old-fashioned