strand /strænd/ BrE AmE noun [countable]
[ Date: 1400-1500 ; Origin: Origin unknown ]
1 . a single thin piece of thread, wire, hair etc
strand of
He reached out and brushed a strand of hair away from her face.
2 . one of the parts of a story, idea, plan etc
strand of thought/opinion/argument
Plato draws all the strands of the argument together.