The word "overlock" is spelled with four letters and is pronounced /oʊvərlɑk/. The first syllable is pronounced with a long "o" sound, followed by a schwa sound in the second syllable. The "v" is pronounced as a voiced labiodental fricative, and the "er" sound is pronounced with an "ɑ" vowel sound. The final syllable ends with a hard "k" sound. The word "overlock" is commonly used in sewing and refers to a type of stitch that finishes the edge of a fabric.
The term "overlock" refers to a sewing technique used to bind the raw edges of fabric together to prevent fraying. It involves the use of a specialized sewing machine known as an overlocker or serger that closely trims the fabric edges while simultaneously forming a series of stitches over the trimmed edge. This results in a neat and durable finish that secures the fabric edges and prevents them from unraveling.
The overlocker achieves this by incorporating multiple threads, typically two to four, which are used to create either a rolled hem or an overlock stitch. The threads loop around the fabric edge, encasing it entirely or partially, thus reinforcing the seam. Overlocking is commonly utilized in various sewing applications, including apparel manufacturing, home decor, and quilting.
The overlocking technique offers various advantages. Firstly, it provides a professional and finished appearance to the garment or fabric item. Moreover, it improves the longevity of the sewn piece by preventing the edges from fraying and unraveling over time. Additionally, overlocked seams tend to be more flexible, making them suitable for stretchy fabrics. This technique is also employed when sewing knit fabrics, as it helps maintain the elasticity of the material.
Overall, overlocking is a crucial sewing technique that adds strength and durability to fabric edges while giving them a clean, finished look. It enables sewers to create professional-quality garments and fabric products while ensuring longevity and preventing fraying.
The word "overlock" has its etymology rooted in the textile industry. Its origins can be traced back to the late 19th century, specifically to the development of a particular type of sewing machine stitch used to finish the edges of fabric.
The term "overlock" comes from the combination of the words "over" and "lock". "Over" refers to the action of crossing over the edge of the fabric, while "lock" describes the interlocking of multiple threads to secure the edge and prevent fraying.
The overlock stitch was initially introduced by the Merrow Machine Company in 1881 with their patented Merrow Overlock Machine. This stitch became widely used in the garment industry to create neat and durable seam finishes, preventing fabric edges from unraveling.