Home › Words › S › surbasesurbasesurbase means the uppermost part of the moulding of a baseboard, a pedestal or a similar construct.Among words judged in Lexicurio's Arena, surbase ranks #15,820 of 42,747 for Qualifying.EtymologyFrom sur- + base.nounthe uppermost part of the moulding of a baseboard, a pedestal or a similar constructverbto lower the rise of an archDefinitions & examples from Wiktionary (CC BY-SA 3.0).