noun (plural biros)British trademark
A kind of ballpoint pen.
- Also of help would be pens, biros, building gloves, any laptops and in particular, crutches.
- Mark distributed the score sheets and biros as the contest opened and we did our usual communal marking to decide who we'd be voting for at the end.
- You can never have too many biros, rubbers and trademarked carrier bags.
1940s: named after László József Bíró (1899–1985), Hungarian inventor of the ballpoint.
Words that rhyme with biroCairo, giro, gyro, tyro
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