Word Study
birr
CIDE DICTIONARY
birr, v. i. [Cf. OE. bur, bir, wind, storm wind, fr. Icel. byrr wind. Perh. imitative.].
To make, or move with, a whirring noise, as of wheels in motion. [1913 Webster]
birr, n.
- A whirring sound, as of a spinning wheel. [1913 Webster]
- A rush or impetus; force. [1913 Webster]
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