deathlock

Meanings

1. A certain wrestling move that traps the opponent's leg.
2. Synonym of death grip.
3. A close struggle between two opponents in which each tries to kill the other.
4. A struggle to destroy a force or principle to which one is opposed, or between two mutually incompatible principles.
5. Rigor mortis, or a physical grip that is similarly inflexible and unyielding.
6. A similarly tight hold on something nonphysical.

Etymology

From death + lock.