What is "wighard"

Wighard (or Wigheard; died between 664 and 667) was a medieval Archbishop-elect of Canterbury. What little is known about him comes from 8th-century writer Bede, but inconsistencies between various works have led to confusion about the exact circumstances of Wighard's election and whether he was ever confirmed in that office. What is clear is that he died in Rome after travelling there for confirmation by the papacy of his elevation to the archbishopric. His death allowed Pope Vitalian to select the next archbishop from amongst the clergy in Rome.