GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Coif , n. [OF. coife, F. coiffe, LL. cofea, cuphia, fr. OHG. kuppa, kuppha, miter, perh. fr. L. cupa tub. See Cup, n.; but cf. also Cop, Cuff the article of dress, Quoif, n.]
   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. [Written also quoif.]
   1913 Webster
   From point and saucy ermine down
   To the plain coif and russet gown.
   H. Brocke.
   
   1913 Webster
   The judges, . . . althout they are not of the first magnitude, nor need be of the degree of the coif, yet are they considerable.
   Bacon.
   
   1913 Webster
   a coiffure.
   PJC
         
       

2.       
   Quoif , n. & v. t. See Coif.
   Shak.
   
   1913 Webster