backstrap

1. A pull strap extending the backstay of a boot or shoe.

2. The backbone of a book.

3. A loin of meat consisting of the muscle on each side of the spine.

4. An anchoring strap, passed around the waist or hips, for a small loom.

5. The rearmost surface applied to the grip especially of a pistol below a possible beavertail.

6. The rolling of a marijuana cigarette in a certain fashion.

regular