noun
a small metal weapon; worn over the knuckles on the back of the hand (Freq. 1)
• Syn: ↑brass knucks, ↑knucks, ↑brass knuckles, ↑knuckles
• Usage Domain: ↑plural, ↑plural form
• Hypernyms: ↑weapon, ↑arm, ↑weapon system
Useful english dictionary. 2012.