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Related to birr: birthday cake
1. A whirring sound.
2. Strong forward momentum; driving force.
intr.v. birred, birr·ing, birrs
To make a whirring sound.
n. pl. birr or birrs
See Table at currency.
[Amharic bərr, silver, silver taler bearing the portrait of Holy Roman Empress Maria Theresa (used as currency throughout East Africa and the Indian Ocean region until recent times), birr; see brr in Semitic roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
to make or cause to make a whirring sound
1. a whirring sound
2. force, as of wind
3. vigour; energy
[Old English byre storm, related to Old Norse byrr favourable wind]
(Currencies) the standard monetary unit of Ethiopia, divided into 100 cents
[C20: from Amharic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. birr.
the basic monetary unit of Ethiopia.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: birred
Collins English Verb Tables © HarperCollins Publishers 2011
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|Noun||1.||birr - the basic unit of money in Ethiopia; equal to 100 cents|
Ethiopian monetary unit - monetary unit in Ethiopia
cent - a fractional monetary unit of several countries
|2.||birr - sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"|
sound - the sudden occurrence of an audible event; "the sound awakened them"
|Verb||1.||birr - make a soft swishing sound; "the motor whirred"; "the car engine purred"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.