Dictionary Search Results Search for: Leave blank to see all terms (creates a very large page; please be patient). Options: Search only within terms. Exact matches only. Highlight hits in red. For a selection of basic naval terms, see the log and report glossary. Results: pb2b PB2B-#abbreviation: "Catalina"; twin-engine Navy patrol-bomber (VPB(MS)), seaplane, manufactured by Boeing (Canada)