Overdrive - Motor Sports (gambling) and permit 1, verb (oh)

Overdrive - Motor Sports (gambling)

A transmission gear with a ratio below 1:1, which improves fuel economy by reducing engine revolutions per minute at highway speeds. On a five-speed manual transmission, the fourth and fifth gears are overdrive. On a four-speed automatic transmission, the fourth gear is overdrive. When an overdrive gear set is engaged, the output shaft turns at a higher rate than the input shaft, reducing engine revolutions at cruising or highway speeds.

permit 1, verb (oh)

formal
[Date: 1400-1500; Language: Latin; Origin: permittere 'to let through, allow']
[T] to allow something to happen, especially by an official decision, rule, or law
::Smoking is only permitted in the public lounge.
permit sb to do sth
::As a punishment, she was not permitted to attend any school activities.
permit sth in/near etc sth
::Dogs are not permitted inside the shop.
permit sb sth
::The bill would permit workers twelve weeks of unpaid leave for family emergencies.
::He had more than the permitted level of alcohol in his blood.
[I and T] to make it possible for something to happen
::The large windows permit a clear view of the lake.
permit sb to do sth
::The moon permitted me to see a little way into the distance.
::I'll see you after the meeting, if time permits (=if it finishes early enough) .
::We'll have a picnic at the beach, weather permitting (=if the weather is good enough) .

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