1. noun /θrɛd/
a) A long, thin and flexible form of material, generally with a round cross-section, used in sewing, weaving or in the construction of string.
All of these essays have a common thread.
b) A theme or idea.
I’ve lost the thread of what you’re saying.
2. verb /θrɛd/
a) To put thread through.
thread a needle
b) To pass (through a narrow constriction or around a series of obstacles).
I think I can thread my way through here, but it’s going to be tight.
Wikipedia foundation.