See also: BW, .bw, b/w, bw., and Bw. English Noun bw (uncountable) Abbreviation of bodyweight. 2005, Tarek A. Kassim, Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters:Pigs and calves: 200 mg per 15 kg bw Abbreviation of birth weight. Anagrams WB, wb Auhelawa Pronunciation IPA(key): /bʷ/ Letter bw (upper case Bw) A letter of the Auhelawa alphabet. EgyptianLoading content...Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads