While there are several sites that come up with the above search string, I have found that most of them contain too many dead links to be of real value to the researcher. The following are sites that are currently available for those who wish to understand the terminology of the sea and those who sail her. Sea Talk: The Dictionary of English Nautical Language is an ongoing project that has thousands of terms already listed; it is accompanied by a very informative blog. For those who prefer a more near-contemporaneous exposure, I suggest Dana’s (he of Two Years Before the Mast fame) The seaman’s friend (5th ed, 1847; later editions also available), or Falconer’s A universal dictionary of the marine (1769). Dozens of additional naval dictionaries spanning time and languages are also available online.
Online Naval Dictionaries