(law) Abbreviation of books.

(military) Abbreviation of barracks.

plural of bk

Initialism of Burger King: a fast-food restaurant chain.

Abbreviation of book. / Abbreviation of black. / (video games, slang) Initialism of bad kid, an inexperienced player or noob.

(law) Abbreviation of book.

A virus very similar to JC virus, ubiquitous and rarely causing disease in healthy people but creating urogenital problems in the immunosuppressed.

The BK virus.

(computing) Abbreviation of backspace. (on a computer keyboard)