Grommets

noun

1. A reinforced eyelet, or a small metal or plastic ring used to reinforce an eyelet.
2. A ring formed of a single strand of rope, laid in three times round, fastening the upper edge of a sail to its stay.
3. (flags) An eyelet at the hoist end of a flag, used to fasten the flag to its halyard.
4. A young or inexperienced surfer, skateboarder or snowboarder.
5. A boy serving on a ship.