Meaning of ROLLER in English

ROLLER

roll ‧ er /ˈrəʊlə $ ˈroʊlər/ BrE AmE noun [countable]

[ Word Family: verb : ↑ roll , ↑ unroll ; noun : ↑ roll , ↑ roller ; adjective : ↑ rolling ]

1 . a piece of equipment consisting of a tube-shaped piece of wood, metal etc that rolls over and over, used for painting, crushing, making things smoother etc:

a paint roller

a garden roller

⇨ ↑ steamroller 1 (1)

2 . [usually plural] a tube-shaped piece of metal or wood, used for moving heavy things that have no wheels:

The boats are taken down to the sea on rollers.

3 . a small plastic or metal tube used for making hair curl SYN curler

4 . a long powerful wave:

great Atlantic rollers

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.