| Word | Definitions | Synonyms |
|---|---|---|
| birr | (noun) the basic unit of money in Ethiopia; equal to 100 cents | - |
| (noun) sound of something in rapid motion | Synonyms: whir, whirr, whirring | |
| (verb) make a soft swishing sound | Synonyms: purr, whir, whirr, whiz, whizz | |
| birretta | (noun) a stiff cap with ridges across the crown; worn by Roman Catholic clergy | Synonyms: berretta, biretta |