Answer:

clinch

Answer	Crossword Clue
CLINCH	Settle-decisively
CLINCH	Seal, as a deal
CLINCH	Sew up

CLINCH	Lock up
CLINCH	Secure
CLINCH	Put on ice
CLINCH	Make conclusive.
CLINCH	Defensive maneuver in boxing.
CLINCH	Boxing term.
CLINCH	Settle conclusively.
CLINCH	Boxers' embrace

CLINCH	Assure victory
CLINCH	Ice
CLINCH	Boxing maneuver
CLINCH	Assure, as a pennant
CLINCH	Boxing hold
CLINCH	Nail down
CLINCH	Wrap up
CLINCH	Fighter's embrace