PB

Noun

 * 1)   or prime brokerage.
 * 1)   or prime brokerage.
 * 1)   or prime brokerage.
 * 1)   or prime brokerage.

Proper noun

 * 1)  (Brazilian state)
 * 2)  (Indian state)

Verb

 * 1)  To set a new personal best.

Proper noun

 * 1)  (Brazilian state)