rum ‧ my /ˈrʌmi/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: Perhaps from rummy 'strange' (19-20 centuries) , from rum 'strange' (18-21 centuries) , probably from rome 'excellent' (16-19 centuries) ]
a simple card game in which players try to collect series of cards