Definition of "Lollard"

[H]e, a lollard indeed over his elbovv-cuſhion, in almoſt the ſeaventh part of 40. or 50. years teaches them ſcarce half the principles of religion; and his ſheep oft-times ſit the vvhile to as little purpoſe of benifiting as the ſheep in thir pues at Smithfield; […]

1659, J[ohn] M[ilton], Considerations Touching the Likeliest Means to Remove Hirelings out of the Church. […], London: […] T[homas] N[ewcombe] for L[ivewell] Chapman […], pages 57–58

‘She died for Wyclif’s book. It was an old Bible. She was what they call a Lollard.’

2020, Hilary Mantel, The Mirror and the Light, Fourth Estate, page 427