• synonyms

roll bar

or roll·bar

See more synonyms for roll bar on Thesaurus.com
  1. 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.
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Origin of roll bar

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018