mutch

noun2

1. •
   A linen or muslin hat, especially one of a type once commonly worn by elderly women and young children.

   • And […] off to the asylum they hurled the daftie, he went with a nurse's mutch on his head and he put his head out of the back of the waggon and said Cockadoodledoo! to some school bairns […] — 1932
2. •
   (Scotland, no longer used) A nightcap (hat worn to bed).