Definitions

1. noun

A unit of currency in Ireland, equivalent to one-hundredth of an Irish pound, or 0.01 euros.

“She exchanged her euros for some birr to buy souvenirs.”

2. noun

A unit of measurement of beer strength in Ireland, equivalent to one-hundredth of a bar, or a small fraction of a degree of specific gravity.

“The brewery’s new beer is said to have a birr of 1.050.”

3. verb

To sparkle or shine brightly, especially with a bright, fiery light.

“The fireworks birrred in the night sky, casting a magical glow over the city.”