cur ‧ sor /ˈkɜːsə $ ˈkɜːrsər/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: cursor 'messenger, sliding pointer on a scientific instrument' (16-20 centuries) , from Latin , 'runner' , from currere ; ⇨ ↑ current 1 ]
a mark that can be moved around a computer screen to show where you are working