ham·mer·lock 
(hămər-lŏk′)
(hămər-lŏk′)n.
1. A wrestling hold in which the opponent's arm is pulled behind the back and twisted upward.
2. Overwhelming dominance: has a hammerlock on market share.
- destroy
- destroyer
- destroyer escort
- destroying angel
- destruct
- destructibility
- destructible
- destructibleness
- destruction
- destructionist
- destructive
- destructive distillation
- destructive interference
- destructively
- destructiveness
- destructivity
- destructor
- desuetude
- desulfurization
- desulfurize
- desultorily
- desultoriness
- desultory
- desvenlafaxine
- detach