biro Hear it!

biro definition

biro (bī′rō, bir′ō)

noun pl. biros -·ros

Brit., Informal a ballpoint pen

Etymology: < Biro, a trademark for a kind of ballpoint pen

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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