thread

Fine cord of a fibrous material, such as cotton or flax, made of two or more filaments twisted together and used in needlework and the weaving of cloth.

A piece of such cord.

A thin strand, cord, or filament of natural or manufactured material.

Something that suggests the fineness or thinness of such a strand, cord, or filament.

Something that suggests the continuousness of such a strand, cord, or filament.

A helical or spiral ridge on a screw, nut, or bolt.

A portion of a program that can run independently of and concurrently with other portions of the program.