|
- pronunciation:
- bawl
beI
rIng
part of speech: |
noun |
definition: |
a machine part made of a groove in the shape of a circle with metal balls that roll in it. A ball bearing lets an axle or other part move easily.
Andy greased all the ball bearings in his skateboard to make the wheels spin faster.
|
related words: |
bearing |
|
|
|