Birr

ahd-5
  • noun. undefined
  • noun. A whirring sound.
  • noun. Strong forward momentum; driving force.
  • intransitive verb. To make a whirring sound.
  • The Century Dictionary and Cyclopedia
  • To make a whirring noise; make a noise like that of revolving wheels, or of millstones at work.
  • noun. A strong wind.
  • noun. The force of the wind; impetus; momentum.
  • noun. A thrust or push.
  • noun. Force; vigor; energy.
  • noun. A whirring noise.
  • noun. Strong trilling pronunciation. See bur.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. A whirring sound, as of a spinning wheel.
  • noun. A rush or impetus; force.
  • intransitive verb. To make, or move with, a whirring noise, as of wheels in motion.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. The currency of Ethiopia, divided into 100 santims
  • noun. force, vigor, energy
  • noun. a strong wind.
  • noun. the force of the wind; rush, impetus, momentum, driving force
  • noun. a thrust or push
  • noun. a whirring noise
  • noun. a strong trilling pronunciation
  • verb. To make a whirring noise; make a noise like that of revolving wheels, or of millstones at work.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • verb. make a soft swishing sound
  • noun. sound of something in rapid motion
  • noun. the basic unit of money in Ethiopia; equal to 100 cents