WordReference Random House Unabridged Dictionary of American English © 2020
- a person who holds a hand so strong that he or she can play a deal without the hand of his or her partner.
- the hand played by such a person.
- a person who by preference conducts his or her affairs without the advice or assistance of others:a lone hand in investment circles.
- a stand or action taken independently:a lone hand in the trade negotiations.