Webster’s Revised Unabridged Dictionary · 1913
Backstitch
Back′stitch′ (·stĭch′), n. [Back, adv. + stitch.] A stitch made by setting the needle back of the end of the last stitch, and bringing it out in front of the end.
Back′stitch′, v. t. To sew with backstitches; as, to backstitch a seam.