BW 3 topics · 3 sources ScienceWaterbody weight. Bureau of Reclamation — Bureau of Reclamation Glossary Cite TechnologyDefense(1) Biological Weapon. (2) Biological Warfare.DoD Missile Defense Agency — MDA Glossary Cite TechnologyTelecommunicationsAbbreviation for bandwidth.ATIS — ATIS Telecom Glossary 2007 Cite