circulatev. i.[L. circulatus, p. p. of circulare, v. t., to surround, make round, circulari, v. i., to gather into a circle. See Circle.]()1. To move in a circle or circuitously; to move round and return to the same point; as, the blood circulates in the body.(Boyle.)2. To pass from place to place, from person to person, or from hand to hand; to be diffused; as, money circulates; a story circulates.()()Circulating decimal. See Decimal. -- Circulating library, a library whose books are loaned to the public, usually at certain fixed rates. -- Circulating medium. See Medium.()v. t. To cause to pass from place to place, or from person to person; to spread; as, to circulate a report; to circulate bills of credit.()Circulating pump. See under Pump.()()