birr UK /bɜː/US /bɝ/noun 4verb 2/bɪɚ/ noun 1forms 3 noun4 •(Scotland) Strength, vigor, energy.Your chanter sets us a ' a-steer, Get out your pipes and blaw wi' birr, We'll dance the Highland fling — 1851 •(Scotland) The force of movement; rush, impetus, momentum, driving force.A chaise in full birr came upon her and knocked her down. — 1822 •(Scotland) A whirring noise.O' the sounds o' love and joy, There's nane sae pleasant as the birr o' Scotland's spinnin' wheel. — 1837 •(Scotland) A strong trilling.Nae mair he will wi' rattlin' birr, Sing to his soul-inspirin' girr, The dormant Gothamites to stir, His powers to heed — 1865 verb2 •(Scotland) To make a whirring noise; make a noise like that of revolving wheels, or of millstones at work.The gudewife birrs wi ' the wheel a' day, Three threeds an' a thrum, Three threeds an' a thrum, — 1883 •(Scotland) To lurch or set to spinning.His cowt grew reezy, its lang tail 'Twad swash, and lugs wad birr up, At length it cuist him, and did trail Him hame, by fit i'e stirrup, — 1824 birr UK /bɪə/US /bɪɚ/ noun1 •The currency of Ethiopia, divided into 100 santims. formsbirred · birring · birrs