Definition of doilies:
(n) :
A small ornamental piece of lace or linen or paper used to protect a surface from scratches by hard objects such as vases or bowls; or to decorate a plate of food.
(n) :
(Judaism) A similar circular piece of lace worn as a head-covering by some married Jewish women.
(n) :
(obsolete) An old kind of woollen material.