EAD

EAD is an acronym with several meanings:

Related to U.S. Employment, EAD means Employment Authorization Document
Related to searching archived information, EAD means Encoded Archival Description
Related to European aviation, EAD means European AIS Database
Related to technical diving, EAD means equivalent air depth
Related to gaming, EAD is the acronym of the Nintendo Entertainment Analysis and Development division.
In many levels of government, EAD can mean Environmental Affairs (or Assessment) Division (or Department).
Related to sports, EAD means Elite Athletes with a Disability