Base Vergues : notion 3 - Multilingual Dictionary of Nautical Terms - Italian section. A remarkable tool, providing not only translation but also descriptions of nautical terms in the target language.
English-Italian On-line Dictionary - This dictionary database is from the freeware multilingual program Ergane. It contains 3,700 terms.
The Internet Picture Dictionary: Italian - Free, online multilingual picture dictionary with interactive activities for Italian, English, French, Spanish, German and ESL learners.
R-O-Matic Italian/English Dictionary - Basic Italian/English glossary with more than 1,600 terms. It is currently being updated. Interactive feature: users can help by adding new terms.