1.Definition: a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving

Related Noun(s):yarn

Category: Objects

2.Definition: any long object resembling a thin line

"A mere ribbon of land", "The lighted ribbon of traffic", "From the air the road was a grey thread", "A thread of smoke climbed upward"

Related Noun(s):ribbon

Category: Objects

3.Definition: 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"

Category: General

4.Definition: the raised helical rib going around a screw

Category: Objects