A gyre is another name for a swirling vortex. Ocean gyres are large swirling bodies of water that are often on the scale of a whole ocean basin or 1000 s of kilometers across (hundreds to thousands of miles across).
Lean meats are meats with a relatively low fat content. Skinless chicken and turkey and red meat, such as pork chops, with the fat trimmed off are examples of lean meat.
Examples include: 1  Lean meats - Beef, lamb, veal, pork, kangaroo, lean (lower salt) sausages. 2  Poultry - Chicken, turkey, duck, emu, goose, bush birds. 3  Fish and seafood - Fish, prawns, crab, lobster, mussels, oysters, scallops, clams. 4  Eggs - Chicken eggs, duck eggs.