CHAIN STITCH

Chain″ stitch′ (?). 1. 1. An ornamental stitch like the links of a chain; — used in crocheting, sewing, and embroidery.
2. 2. (Machine Sewing) A stitch in which the looping of the thread or threads forms a chain on the under side of the work; the loop stitch, as distinguished from the lock stitch. See Stitch.