1. plural of blackjack: a card game where players try to get cards totaling 21
2. plural of blackjack: flexible weapons consisting of a heavy head on a flexible handle
Usage: law enforcement
3. plural of blackjack: small oak trees with dark bark
Usage: botany

Examples

• The casino offered several blackjacks tables on the main floor.
• Police officers once carried blackjacks as standard equipment.
• The blackjacks in the forest provided excellent shade.
• She learned to play blackjacks during her vacation in Las Vegas.
• The old blackjacks were replaced with modern batons.
• Blackjacks are common trees in the southeastern United States.