cringle
/ˈkrɪŋɡəl/
noun
- A metal ring or eyelet in a sail, rope, or canvas, used for passing a rope through or attaching something.
- He replaced the rusted cringle on the boat's canvas cover.
- The sailor threaded the line through the cringle to secure the sail.
- Each corner of the tarp had a reinforced cringle for tying it down.