Answer: moult

AnswerCrossword Clue
MOULTShed feathers, in Sheffield
MOULTShed: Brit. sp.
MOULTShed.
MOULTShed feathers: Var.
MOULTShed to a Brit
MOULTLose feathers, in London
MOULTDrop down, in London?
moultmolt
moultto shed feathers or fur, also MOLT