On level 8 it is not a synonym that you are looking for, it is a specific one. Try searching the "knot of sailors" that someone posted earlier. I found a page with pictures. Got it right away after that.
@Terri... this forum is dumb.. It won't let me reply to your PM unless I have more than 6 posts... so... to answer your question.. ask yourself where is the location of that answer.. and you'll get the clue.