What is the meaning of Grommet?

A reinforced eyelet, or a small metal or plastic ring used to reinforce an eyelet.

A ring formed of a single strand of rope, laid in three times round, fastening the upper edge of a sail to its stay.

An eyelet at the hoist end of a flag, used to fasten the flag to its halyard.

A young or inexperienced surfer, skateboarder, or snowboarder.

A boy serving on a ship.

To insert a grommet into.

To fasten using a grommet.

To apply grommets.

Source: wiktionary.org