Webster's English Dictionary

Enter the word to look up:

wafer

1. wa.fer \'wa--f*r\ n [ME, fr. ONF waufre, of Gmc origin; akin to MD 
   wafel, wafer w]affle 1a: a thin crisp cake or cracker  1b: a round thin 
   piece of unleavened bread in the Eucharist  2: an adhesive disk of dried 
   paste with added coloring matter used as a sea l 3: a thin disk or ring 
   resembling a wafer and variously used (as for a valv e or diaphragm)
2. wafer \-f(*-)rin\ vt or wa.fer.ing : to seal, close, or fasten with a 
   wafer