LEARNit Dictionary
inertia reel
noun
/ɪˈnɜːʃə riːl/
UK
/ɪˈnɜːrʃə riːl/
US
1
a round device that one end of a car seat belt is wound around so that it will move freely unless it is pulled suddenly, for example in an accident
قرقره اینرسی, حلقه جمعشونده کمربند ایمنی