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BB1 definition

☆ BB (bē′bē′)

noun pl. BB's

  1. a small pellet of shot, .175 inch in diameter, fired from an air gun (BB gun)
  2. a small pellet of shot, .18 inch in diameter, used in shotgun cartridges

Etymology: size designation

BB2 definition

BB or bb

Baseball base(s) on balls

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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