a device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft.
To operate free from constraints.
To operate a motor vehicle which is coasting without power, e.g. downhill.
To ride a bicycle without pedalling, e.g. downhill.
To continue spinning after disengagement.
A contortion of the body in an attempt to escape or to perform a difficult task.
Strife, contention, great effort.
To strive, to labour in difficulty, to fight (for or against), to contend.
To strive, or to make efforts, with a twisting, or with contortions of the body.