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.
Lean meats however, are high in protein, low in saturated fat and calories. Good examples of lean meats include chicken, turkey, some cuts of beef and seafood (salmon, mackerel, herring, lake trout, sardines and albacore tuna). 2. Eggs. Egg protein is very high quality.