acceptor acceptor /əkˈsɛptər/

noun

1. The person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures  ( acceptor )
   the person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures
   
2. (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated  ( acceptor )
   (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated