Discloser

1dis;close pronunciation: function: transitive verb etymology: middle english, from anglo-french desclos-, stem of desclore to open, unlock, reveal, from medieval latin disclaudere, from latin dis- + claudere to close — more at closedate: 14th century 1 obsolete : to open up2 a : to expose to view b archaic : hatch c : to make known or public lt;demands that politicians disclose the sources of their incomegt;synonyms see reveal— dis;clos;er noun