To make a whirring noise; make a noise like that of revolving wheels, or of millstones at work.
To lurch or set to spinning.
The currency of Ethiopia, divided into 100 santims.
A strong trilling.
The force of movement; rush, impetus, momentum, driving force
A whirring noise
strength, vigor, energy
State of being enervated; debility.
Act of enervating; debilitation.