acquirer acquirer /əˈkwaɪrər/

noun

1. A credit card processing bank; merchants receive credit for credit card receipts less a processing fee  ( acquirer , merchant bank [British] )
   a credit card processing bank; merchants receive credit for credit card receipts less a processing fee
   
2. The financial institution that dispenses cash in automated teller machines and collects a fee from the bank that issued the credit card  ( acquirer )
   the financial institution that dispenses cash in automated teller machines and collects a fee from the bank that issued the credit card
   
3. A corporation gaining financial control over another corporation or financial institution through a payment in cash or an exchange of stock  ( acquirer )
   a corporation gaining financial control over another corporation or financial institution through a payment in cash or an exchange of stock
   
4. A person who acquires something (usually permanently)  ( acquirer )
   a person who acquires something (usually permanently)