Definition of "biro" [biro]

• A BIRO brand ballpoint pen. (noun)
• Any ballpoint pen. (noun)
• Ink from a ballpoint pen. (noun)

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• "She seemed to have Lord Mark Malloch-Brown's name biro'ed on her proverbial sleeve."
• "Redtabby - "biro" is used in England to mean a ballpoint pen."
• "When my children were young, I used to attach a little tag or a piece of white cotton ribbon - to scissors for ex - and write with black Bic biro the place where the object had to be returned to."