What does Buk stand for?

Bukasov - Botanist in plant scientific name (HUH)

Albuq - Yemen - Airport symbol (OAG)

Aspen, CO - Location identifier - FAA (FAAL)

Bacterial Ulcerative Keratitis (XSAL)

Book - Telegraphy (PCTE)

Buck's Fabrication & Machine, Albany, OR - Manufacturer code for watercraft hull identification number (USCG)

Bugawac - Language code (ETLW)

Bulwark - NCIC firearms make code (NCIC)