1. a thin, crisp cake or cookie, often sweet
2. a thin round piece of unleavened bread used in Christian communion
Usage: religious
3. a thin disk of semiconductor material used in electronics manufacturing
Usage: technical

Examples

• She enjoyed vanilla wafers with her tea.
• The ice cream sandwich was made with chocolate wafers.
• The priest distributed communion wafers to the congregation.
• The factory produces silicon wafers for computer chips.
• He carefully handled the delicate semiconductor wafer.
• The wafer was so thin it almost melted on her tongue.