rollerball Syllabification: (roll·er·ball)Pronunciation: /ˈrōlərˌbôl/Definition of rollerball noun 1( trademark in the UK) a ballpoint pen using thinner ink than other ballpoints. 2 Computing an input device containing a ball that is moved with the fingers to control the cursor. rollerball in other Oxford dictionaries Definition of rollerball in the British & World English dictionary
