Knitting & Crocheting Glossary: H
half double crochet; hdc: A crochet stitch in between a single crochet and a double crochet in height, which you work by drawing the yarn through three loops on the crochet hook.
half linen: A knitting stitch that creates a fabric that looks and feels like a woven fabric.
half-closed: A technique used to make combination stitches, such as the puff or cluster. The stitch is worked only partway, and then finished at the end of the combination.
hank: A large circle of yarn twisted into a figure-8 shape.
heather: A type of yarn that has been blended from a number of different-colored or -dyed fleeces, and then spun; muted in color.
hem: A border on a garment or piece of cloth, usually made by folding the edge and sewing it down.