Grommet
Pronunciation : Grom"met
Part of Speech : n.
Etymology : [F. gourmette curb, curb chain, fr. gourmer to curb, thump, beat; cf. Armor. gromm a curb, gromma to curb.]
Definition : 1. 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.
2. (Mil.)
Defn: A ring of rope used as a wad to hold a cannon ball in place.
Source : Webster's Unabridged Dictionary, 1913