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Definition of threader

threader

/ˈθrɛd.ər/
thread · er
Plural:threaders
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threader Lexical Profile

threader Game Scores & Validity

• noun

1

A small tool or device used to guide a piece of thread through the eye of a needle or through a narrow opening, such as between teeth with dental braces.

Example

"She used a wire needle threader to pull the fine silk yarn through the tiny eye of the embroidery needle."

2

A machine or hand tool used in plumbing and metalworking to cut spiral screw threads onto the end of a pipe, bolt, or rod.

Example

"The plumber clamped the steel conduit into the vise and used a manual pipe threader to cut clean grooves onto the end."

3

A person or worker who threads needles, bobbins, or machinery, or who operates a threading machine.

Example

"In the nineteenth-century lace factory, young apprentices worked as threaders to prepare the bobbins and carriages for the looms."

Synonyms
View all synonyms for threader

• Rhymes for threader

• Nearby Words

thread snake
threadbare
threaded
threader
threadfin
threading
threadlike

Cite this Entry

Wordmom. (2026). Definition of Threader. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/threader
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