EconPort is a digital library funded by the USA's National Science Foundation. Their glossary takes content from the econterms.org glossary by Peter Meyer and the Sonderforschungsbereich 504 glossary developed at the University of Mannheim. It covers microeconomics, experimental economics and econometrics.
Glossaries of Economic Terms in Intermediate Macroeconomics
This is an index for the macroeconomic aspects of the CyberEconomics on-line textbook. More than a hundred terms include key names and organisations and are linked to relevant parts of the text. There is also a link to a version of this list that is grouped by topics.