Definition of birring:
(n) :
The currency of Ethiopia, divided into 100 santims.
(n) :
(Scotland) strength, vigor, energy
(n) :
(Scotland) The force of movement; rush, impetus, momentum, driving force
(n) :
(Scotland) A whirring noise
(n) :
(Scotland) A strong trilling.
(v) :
(Scotland) To make a whirring noise; make a noise like that of revolving wheels, or of millstones at work.