birr
[noun]
Synonyms: energy, go, hardihood, moxie, pep, potency, tuck, vigor

[TahlilGaran] English Synonym Dictionary ▲

birr(1) (bûr)
n.
► A whirring sound.
► Strong forward momentum; driving force.
intr.v. birred, birr·ing, birrs
To make a whirring sound.

[TahlilGaran] American Dictionary ▲

birr(1)
[Middle English bir, favorable wind, from Old Norse byrr. See bher-¹ in Indo-European Roots.]

[TahlilGaran] American Dictionary ▲

birr(2) (bîr)
n. pl. birr or birrs
See table at currency.

[TahlilGaran] American Dictionary ▲

birr(2)
[Amharic bərr, from brr, to be white.]

[TahlilGaran] American Dictionary ▲