BB

BB

☆ BB¹ [bē′bē΄ ]

n.

pl. BB's [size designation]

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

BB² or bb

abbrev.

Baseball base(s) on balls