- onrush or driving force; impetus
- a vibrant whirring sound
Origin of birrMiddle English bir ; from Old Norse byrr, impetus, strong wind ; from Indo-European base an unverified form bher-, bear
Origin of birrAmharic, silver
- A whirring sound.
- Strong forward momentum; driving force.
intransitive verbbirred, birr·ing, birrs
Origin of birrMiddle English bir, favorable wind, from Old Norse byrr; see bher-1 in Indo-European roots.
nounpl. birr or birrs
Origin of birrAmharic b&schwa;rr, from brr, to be white.
(third-person singular simple present birrs, present participle birring, simple past and past participle birred)
- To make a whirring noise; make a noise like that of revolving wheels, or of millstones at work.
From Middle English bir (“favorable or strong wind; assault, blow strike, violence, fury; strength”), from Old English byre (“strong wind, storm”); cognate with Icelandic byrr (“sailing winds”), Albanian borë (“snow”) and Latin borea (“North wind”).
From Amharic ብር (bir, “silver”)
birr - Investment & Finance Definition
The currency unit of Ethiopia, comprised of 100 cents.