Dana: Dictionary of Sea Terms 1841/1851 Dictionary prepared by Richard Henry Dana, author of the classic "Two Years Before the Mast." Originally published in 1851.
Nautical Nomeclature Words used to described the various parts of boats and ships and general sailing terms. Includes diagram of sailboat, with parts labeled.
Online Nautical Dictionaries Contains links to approximately 40 dictionaries in English. Also has links to some dictionaries in other languages.