roll bar

or roll·bar


a heavy steel transverse bar in the form of an inverted U rising from the framework of an automobile to prevent its occupants from being crushed if the vehicle rolls over.

Nearby words

  1. rolfing,
  2. roll,
  3. roll around,
  4. roll back,
  5. roll bag,
  6. roll book,
  7. roll cage,
  8. roll call,
  9. roll cloud,
  10. roll film

Origin of roll bar

First recorded in 1950–55 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019