roller

Everyday

1. A roller is a tube or cylinder that turns, used to flatten, spread or move things. tree →
2. A paint roller is a tool for painting walls. tree →
3. A hair roller (curler) is a small tube to curl hair. tree →
4. A roller is a big wave rolling in from the sea. tree →
5. A roller is a heavy machine that flattens roads or ground. tree →

In the lessons

In everyday life: paint rollers, hair rollers, roller skates, roller coasters, rolling pins. In science, rollers reduce friction for moving heavy things. Phrases: «roller skates», «roller coaster», «roller blind», «paint roller».

Examples

• Dad painted the wall with a roller. tree →
• Grandma slept in hair rollers. tree →
• We went on the roller coaster at the fair. tree →
• I got roller skates for my birthday. tree →
• The steamroller flattened the new road. tree →
• Huge rollers crashed onto the beach. tree →
• The Egyptians may have moved stones on wooden rollers. tree →
• The whole twelve of them set to work with poles and rollers and rolled the big mill-stone to the brink of the well. tree →

Note

Countable. Many compounds: roller coaster, roller skate, roller blind, steamroller. Rollers make moving things easier because rolling has less friction than sliding.

In Jewish tradition

It belongs to a picture of a farmer who knows how to treat each crop with care.

Interpretation. The tradition reads this as showing that God, like a wise farmer, uses only as much hardship as is needed and does not crush His people.

Examples

• Nay, he will not ever be threshing it; and though the roller of his wagon and its sharp edges move noisily, he doth not crush it. (Prophets ISA.28.28, JPS 1917) tree →

Note

Countable. Many compounds: roller coaster, roller skate, roller blind, steamroller. Rollers make moving things easier because rolling has less friction than sliding.