#1
birr n. the basic unit of money in Ethiopia; equal to 100 cents
. wn #2
birr v. [
whizz, whiz, whirr, whir, purr] make a soft swishing sound; "the motor whirred"; "the car engine purred"
. wn #3
birr n. [
whir, whirr, whirring] sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"
. wn