Definition of malkin:
(n) :
(now regional) A mop, especially one used to clean a baker's oven.
(n) :
(Scotland, Northern England) A hare.
(n) :
(now rare) A cat.
(n) :
(now archaic, regional) A (stereotypical name for a) lower-class or uncultured woman; a kitchenmaid; a slattern.
(n) :
(now archaic, regional) A scarecrow.
(n) :
(obsolete, nautical) A mop or sponge attached to a jointed staff for swabbing out a cannon.