cir·cu·late 
(sûrkyə-lāt′)
(sûrkyə-lāt′)v. cir·cu·lat·ed, cir·cu·lat·ing, cir·cu·lates
v.intr.
1. To move in or flow through a circle or circuit: blood circulating through the body.
2. To move around, as from person to person or place to place: a guest circulating at a party.
3. To move about or flow freely, as air.
4. To spread widely among persons or places; disseminate: Gossip tends to circulate quickly.
v.tr.
To cause to move about or be distributed: Please circulate these fliers.
[From Middle English circulat, continuously distilled, from Latin circulātus, past participle of circulāre, to make circular, from circulus, circle; see CIRCLE.]
circu·la′tive (-lā′tĭv) adj.
circu·la′tor n.