1. to move or flow in a circle or circuit
2. to spread or distribute widely among people
3. to move around freely in a social setting

Examples

• Blood circulates through the body via arteries and veins.
• The fan helps air circulate in the room.
• Rumors began to circulate about the company’s financial troubles.
• The petition circulated quickly among students.
• She circulated at the party, greeting all the guests.
• Hot water circulates through the heating system.
• The memo will circulate to all department heads.