bb

noun1

1. •
   (Internet) Abbreviation of baby.

   • As a reminder, bb Lili was born on Friday, June 4, at Santa Barbara Cottage Hospital in Santa Barbara, California. — 2021

noun13

1. •
   A type of pellet that can be shot from a BB gun.
2. •
   Initialism of BlackBerry.
3. •
   Initialism of basketball.
4. •
   A walk; the statistic reporting the number of "bases on balls".
5. •
   Initialism of baseball.
6. •
   Initialism of ball bearing.

   • Radiopaque catheters, wires, or small metal ball bearings (BBs) are taped to the patient's skin to help in identifying any anatomic landmark, diseased tissue, or scar on the skin. — 2010
7. •
   Initialism of bulletin board.
8. •
   (US) Abbreviation of battleship.
9. •
   Initialism of baseband.
10. •
    Abbreviation of balance beam.
11. •
    Initialism of bass-baritone.
12. •
    Initialism of bottom bracket.
13. •
    Initialism of the Bangka Belitung Islands: a province of Indonesia.

adverb1

1. •
   (slang) Initialism of bareback (“without a condom”).

phrase2

1. •
   (Internet) Abbreviation of bye bye.
2. •
   Initialism of best before.