Home › Words › W › waterguardwaterguardwaterguard means A division of customs responsible for the control of people, vehicles and vessels arriving into and departing from the United Kingdom. It ceased to exist in 1972.Among words judged in Lexicurio's Arena, waterguard ranks #32,995 of 42,747 for Qualifying.EtymologyFrom water + guard.nounA division of customs responsible for the control of people, vehicles and vessels arriving into and departing from the United Kingdom. It ceased to exist in 1972.Definitions & examples from Wiktionary (CC BY-SA 3.0).