1

BB

noun \ ˈbē-(ˌ)bē \

Definition of BB

1 : a shot pellet 0.18 inch in diameter for use in a shotgun cartridge
2 : a shot pellet 0.175 inch in diameter for use in an air gun

First Known Use of bb

1832


2

BB

abbreviation

Definition of BB

1 bachelor of business
2 ball bearing
3 base on balls
4 blue book
5 B'nai B'rith


BB Defined for English Language Learners

BB

noun

Definition of BB for English Language Learners

  • : a small metal ball that is fired from a BB gun


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