[wey-fer] 
| 1. | a thin, crisp cake or biscuit, often sweetened and flavored. |
| 2. | a thin disk of unleavened bread, used in the Eucharist, as in the Roman Catholic Church. |
| 3. | a thin disk of dried paste, gelatin, adhesive paper, or the like, used for sealing letters, attaching papers, etc. |
| 4. | Medicine/Medical. a thin sheet of dry paste or the like, used to enclose a powder to be swallowed. |
| 5. | any small, thin disk, as a washer or piece of insulation. |
| 6. | Electronics. a thin slice of semiconductor used as a base material on which single transistors or integrated-circuit components are formed. |
| 7. | to seal, close, or attach by means of a wafer or wafers: to wafer a letter. |
fər