plural of threadful

(Internet slang) Denotes that everything of worth has already been stated in a given message board thread.

The amount that a thread will hold.

(engineering) Consisting of two threads twisted together; using two threads.

simple past tense and past participle of thread the needle

present participle of hang by a thread

(idiomatic) To be in danger, calling for precise caution; to be in a precarious situation.

plural of screw thread

(engineering) A helical ridge formed around a cylinder, or a helical groove formed around the inner wall of a bore, used mostly on fasteners and their connection points.

a screw or worm gear having four equal threads and thus capable of being started in four places