Whatever you requirements are, you can now find almost any dictionary in any language from one source: The Dictionary Catalogue. English, French, Spanish, Italian, German, Mongolian, Russian, Japanese, Telugu, Danish, Thai, Arabic---you name the language, you'll find it in The Dictionary Catalogue.
Subjects included are general, monolingual and bilingual dictionaries; foreign language dictionaries in more than 100 subject areas and languages, including accounting, aeronautics, agriculture, air conditioning, architecture, automotive mechanics, biology, business and commerce, chemistry, data processing, education, electronics, finance and banking, insurance, language, law, manufacturing, mathematics, medicine, mining, music, philosophy, photography, physics, political science, psychology, publishing, religion, television and radio, textiles and much, much more.
If you are a butcher, a baker or candlestick maker, a doctor, lawyer, or do just any kind of work, or if you simply read for pleasure, you need to define words at one time or another. Refer to the Dictionary Catalogue to select---not settle---for the dictionaries of your choice.