
1) Sewing machine
Found on
https://www.crosswordclues.com/clue/serger

A type of sewing machine that stitches the seam, encases the seam with thread, and cuts off excess fabric at the same time. These are used for construction of garments with knit fabrics mostly, or to finish seams of any fabric, especially those which might ravel. Sometimes referred to as overlocker.
Found on
http://www.thesewingdictionary.com/

[
n] - a sewing machine that overcasts the raw edges of a fabric with a V-shaped stitch
Found on
http://www.webdictionary.co.uk/definition.php?query=serger

A specialized type of sewing machine that can trim and overlock raw edges all in one go. It has 3, 4, or 5 needles and creates a stretchy seam finish, making it very suitable for knits.
Found on
https://charlottekan.com/blogs/sewingblog/sewing-glossary-sewing-terms-expl

A sewing machine that can seam, trim, and overcast raw edges in one step.
Found on
https://sewguide.com/sewing-terms-glossary/

A type of sewing machine that can seam, trim, and overcast raw edges.
Found on
https://www.contrado.co.uk/blog/a-z-guide-sewing-terminology/
noun a sewing machine that overcasts the raw edges of a fabric with a V-shaped stitch
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.