\Cir"cu*late\, v. i. [imp. & p. p. {Ciorculated}; P.
pr. & vb. n. {Circulating}.] [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}.

\Cir"cu*late\, 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}.
Syn: To spread; diffuse; propagate; disseminate.