(1)〈美〉黑杰克棒
一种装有弹性手柄，包有皮革，皮革上缀有铅块或其它金属的短大头棒，为罪犯常用的伤人武器，有时警察也用。

(2)黑杰克牌戏
也称21点〔vingt-et-un〕。通常用于赌博。

• nonage
• nonagium
• Non alio modo puniatur aliquis, quam secundum quod se habet condemnatio.
• Non aliter a significatione verborum recedi oportet quam cum manifestum est, aliud sensisse testatorem.
• non allocatur
• non-ancestral estate
• nonancestral property
• nonapparent easement
• nonappearance
• nonapportionable annuity
• nonassertive conduct
• non-assessable
• nonassessable capital stock
• nonassessable insurance
• nonassessable stock
• non assumpsit
• Non assumpsit infra sex annos.
• Non auditur perire volens.
• non-bailable
• non-bearer bond
• non bis in idem
• nonborrowing member
• nonbusiness bad debt
• non-business days
• noncallable bond