Pronunciation: [bˈɜː] (IPA) 
The spelling of the word "birr" might be confusing for some. It is pronounced as /bɜr/, where the 'r' sound is prominent. The word "birr" has a few different meanings in different contexts, such as the currency of Ethiopia or a sudden energetic movement or sound. However, regardless of its meaning, it is important to spell the word correctly in order to avoid confusion or misunderstandings. Remember, it's spelled with a double 'r'!
Birr is a noun that has multiple dictionary definitions depending on the context.
1. Birr is the currency of Ethiopia, abbreviated as ETB (Ethiopian Birr). It is the official legal tender of Ethiopia. The birr is divided into 100 cents. The birr banknotes depict important figures, landmarks, and historical events of Ethiopia, while the coins are denominated in 1, 5, 10, 25, and 50 cents.
2. Birr, in certain dialects and regions, is a loud and vibrant sound or noise, often heard as a buzzing, humming, or whirring sound. It is associated with the resonating or vibrating quality of an object or machinery. For example, the birr of an engine, the birr of a propeller, or the birr of a bee's wings.
3. Birr can also refer to a town located in County Offaly, Ireland. Situated in the Midlands of Ireland, Birr is known for its castle, historic buildings, and the Birr Observatory and Science Center. The town has a rich heritage and attracts visitors interested in cultural and scientific heritage.
In summary, birr can refer to the Ethiopian currency, an onomatopoeic sound, or a town in Ireland depending on the specific usage and context of the word.
To make a whirring rattling noise.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "birr" has its roots in the Old Norse language. It is believed to have been derived from the Norse word "byrr", which meant "favorable wind" or "fair wind". In Old Norse, "byrr" eventually evolved into "birr" in Middle English, signifying a gust of wind. Over time, the meaning of "birr" expanded to include the sense of a whizzing or buzzing sound, often associated with something moving swiftly or with force.
