the connections that link the various parts of an event or argument together
"I couldn't follow his train of thought"
"he lost the thread of his argument"
the raised helical rib going around a screw
"The stripped thread on the bolt made it impossible to tighten the engine cover."
A long, thin and flexible form of material, generally with a round cross-section, used in sewing, weaving or in the construction of string.
"She carefully pulled the loose thread from her jacket before it snagged on something sharp."
In plain English: A thread is a very thin strand of fiber used for sewing or making clothes.
"She carefully threaded the needle before sewing her button back on."
Usage: Use this term to denote the continuous strand required for joining fabric, distinct from loose fibers like yarn which are often twisted into multiple strands. It frequently collocates with verbs such as "run," "sew," or "spin" and is standard in both technical manufacturing contexts and everyday sewing instructions.
remove facial hair by tying a fine string around it and pulling at the string
"She had her eyebrows threaded"
To put thread through.
"She carefully threaded a needle before beginning to sew her button onto the coat."
In plain English: To thread something means to push it through a small hole or narrow space.
"She carefully threaded the needle before starting to sew."
The word "thread" comes from the Old English þrǣd, which originally meant a strand of spun fiber. It traveled into Middle English as thred and has retained its core meaning related to twisting or rubbing fibers together since then.