Definition of act of supremacy in English English dictionary
(1534) English act of Parliament that recognized Henry VIII as the "Supreme Head of the Church of England. " The act also required an oath of loyalty from English subjects that recognized his marriage to Anne Boleyn. It was repealed in 1555 under Mary I, but in 1559 Parliament adopted a new Act of Supremacy during the reign of Elizabeth I
English act of Parliament (1534) under Henry VIII of England that declared and recognize him "the only supreme head of the Church in England