·noun A ring of rope used as a wad to hold a cannon ball in place.
II. Grommet ·noun A ring formed by twisting on itself a single strand of an unlaid rope; also, a metallic eyelet in or for a sail or a mailbag. Sometimes written grummet.
, or grummet. A ring formed of a single strand of rope, laid in three times round; used to fasten ...
The Sailor's Word-Book
A ring made of 1-1/2 or 2 inch rope, having attached to it two cross-pieces or diameters of the same...