1. Plural of plack; small coins or tokens of little value, historically used in Scotland and the Netherlands.
Usage: archaic; historical; chiefly Scottish
2. Plural of plack; small metal discs or badges worn as ornaments or insignia.
Usage: rare

Examples

• The merchant accepted only placks and larger coins in trade.
• Scottish merchants of the 16th century dealt in placks as everyday currency.
• He collected old placks from various European countries.
• The museum displayed a collection of ancient placks and tokens.
• Placks were worth very little, often used for minor transactions.