lay definition

1. put in a horizontal position
• examples: lay the books on the table
• examples: lay the patient carefully onto the bed
2. prepare or position for action or operation
• examples: lay a fire
• examples: lay the foundation for a new health care plan
3. lay eggs
• examples: This hen doesn't lay
4. impose as a duty, burden, or punishment
• examples: lay a responsibility on someone
5. not of or from a profession
• examples: a lay opinion as to the cause of the disease