Big Blind, the person two steps left of the dealer has to put an amount of money before the cards are dealt. This amount is usually (but not always) twice the size of the small blind (SB). Big Bet, most limit poker games double the bet sizes on the last betting round(s). The larger bet sizes are called "big bets." See also SB. Found on http://www.encyclo.co.uk/local/21206
BB (BEE BEE) A tiny ball, or shot, measuring .18 of an inch in diameter; that is fired from an air rifle (a BB gun) or shotgun: 'His target practice consisted of shooting one BB at a time.' Found on http://www.wordinfo.info/words/index/info/view_unit/3545/
USA Swimming classification for Age Group Swimmers. Time standards for this classification are .01 seconds faster than the B time standard, and .01 seconds slower than the A time standard. See USA Swimming's National Age Group Time Standards chart for current standards in specific events. See also: NAGTS. Found on https://www.encyclo.co.uk/local/22352
a size of shot, 0.18 in. (0.46 cm) in diameter, fired from an air rifle or BB gun. · Also calledshot of this size. Found on https://www.infoplease.com/dictionary/b-b