(1)   The raised helical rib going around a screw
(2)   A fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving
(3)   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"
(4)   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"


(5)   Thread on or as if on a string
"String pearls on a string"
"The child drew glass beads on a string"
"Thread dried cranberries"
(6)   Pass through or into
"Thread tape"
"Thread film"
(7)   Remove facial hair by tying a fine string around it and pulling at the string
"She had her eyebrows threaded"
(8)   Pass a thread through
"Thread a needle"
(9)   To move or cause to move in a sinuous, spiral, or circular course
"The river winds through the hills"
"The path meanders through the vineyards"
"Sometimes, the gout wanders through the entire body"


From , , from , , from , from , from . Near cognates include German , Icelandic and Norwegian, Danish and Swedish tråd.


  1. A long, thin and flexible form of material, generally with a round cross-section, used in sewing, weaving or in the construction of string.
  2. A theme or idea.
    All of these essays have a common thread.
    I’ve lost the thread of what you’re saying.
  3. A series of messages, generally grouped by subject, all but the first replies to previous messages in the thread.
  4. A unit of execution, lighter in weight than a process, generally expected to share memory and other resources with other threads executing concurrently.
  5. A helical ridge or groove, as on a screw.
  6. The line midway between the banks of a stream.


  1. To put thread through.
    thread a needle
  2. 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.