It is a derivative of Bale, something derogatory. Bag, bag, backpack, chuspa. Bag where the dressmakers kept scraps of fabric. In biology is a group of seabirds that live far from the coast. They belong to the family Procellariidae and it also tells them skates, Petrels and Shearwaters. They have a short beak and they eat what they find on the surface of the sea.