Meaning of ROLLING in English

ROLLING

/ ˈrəʊlɪŋ; NAmE ˈroʊ-/ adjective [ only before noun ]

1.

( of hills or countryside ) having gentle slopes

2.

done in regular stages or at regular intervals over a period of time :

a rolling programme of reform

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.