b

b [ bi ] (plural b's) or B (plural B's) noun

1. ) count the second letter of the English alphabet. B is a consonant.

2. ) B count or uncount the seventh note of a musical SCALE in C major

a ) uncount the musical KEY based on the note B

3. ) B count a grade that is given in a school, college, or university for work that is a little better than average:

I got a B on my History assignment.

4. ) B uncount a common BLOOD TYPE

=> B AND S, B-LIST