A suite of tools (version 4.0) primarily designed for creating and maintaining dictionaries for NLP, with easy upload of machine-readable dictionaries into DIMAP format and integrated WordNet. Includes tools for analyzing dictionary definitions, parsing them to identify semantic relations (such as hypernyms), mapping definitions across dictionaries, and identifying primitives using graph-theoretic techniques. Includes the functionality used in CL Research participation in Senseval and TREC-8 Question Answering, enabling research at the interface between the lexicon and text processing applications, using the integrated Proximity Parser (Proximity Technology, Inc. (c))