backstrap noun 6verb 1forms 3 noun6 •A loin of meat consisting of the muscle on each side of the spine. •The rearmost surface applied to the grip especially of a pistol below a possible beavertail. •An anchoring strap, passed around the waist or hips, for a small loom. •A pull strap extending the backstay of a boot or shoe. •The backbone of a book. •The rolling of a marijuana cigarette in a certain fashion. verb1 •To apply or make into a backstrap. formsbackstrapped · backstrapping · backstraps