Definition of "BH"

BH

proper noun
1. Boko Haram
2. Abbreviation of Bihar, a state in India.
noun
plural BHs
1. Initialism of heavy battleship.
2. Initialism of bank holiday.
3. (knitting) Initialism of buttonhole.
  Quotations
  Work 7 BH's on left side for man's sweater, on right side for woman's sweater.
  1998, Kristin Nicholas, Knitting the New Classics, page 86
4. (astronomy) Initialism of black hole.