roll‧ing /ˈrəʊlɪŋ $ ˈroʊ-/
adjective [only before noun] [
Word Family: verb:
roll,
unroll;
noun:
roll,
roller;
adjective:
rolling]
1. rolling hills have many long gentle slopes
2. done or happening regularly over a period of time, not all at once:
We recommend a rolling programme of machine upgrading. [TahlilGaran] Dictionary of Contemporary English ▲