Entanglement
noun
The state of being entangled; intricate and confused involution.
That which entangles; intricacy; perplexity.
An obstruction placed in front or on the flank of a fortification, to impede an enemy's approach.
noun
A quantum mechanical phenomenon in which the quantum states of two or more objects have to be described with reference to each other, even though the individual objects are spatially separated.
Synonyms: spooky action at a distance