Automated Clearing House (ACH) - A virtual locality operated for the convenience of the banks in a particular region, generally through the Federal Reserve Bank. They electronically process interbank credit and debits, and electronically transfer government securities and customer services, such as direct deposit.
Ach, Ache (#), n. [F. ache, L. apium parsley.]
A name given to several species of plants; as, smallage, wild celery, parsley.
© Webster 1913.
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