yarn knotter
1knotter — /not euhr/, n. 1. a person or thing that ties knots. 2. a device that ties knots in thread during the manufacture of yarn. 3. a person or thing that takes out or removes knots. [1705 15; KNOT1 + ER1] * * * …
2knotter — n. person who ties knots; one who removes knots; thing that ties knots; thing that takes out or removes knots; device that ties knots in thread during the process of making yarn …