What does "coif" mean?

Coif: A cap. Specifically: (a) A close-fitting cap covering the sides of the head, like a small hood without a cape. (b) An official headdress, such as that worn by certain judges in England. [Writting also quoif.] From point and saucy ermine down To the plain coif and russet gown. H. Brocke. The judges, . . . althout they are not of the first magnitude, nor need be of the degree of the coif, yet are they considerable. Bacon.

Additional senses

  1. 2.To cover or dress with, or as with, a coif. And coif me, where I'm bald, with flowers. J. G. Cooper.

Sources