What does "scotch" mean?

Additional senses

1. 2.Collectively, the people of Scotland.
2. 3.To shoulder up; to prop or block with a wedge, chock, etc., as a wheel, to prevent its rolling or slipping.
3. 4.A chock, wedge, prop, or other support, to prevent slipping; as, a scotch for a wheel or a log on inclined ground.
4. 5.To cut superficially; to wound; to score. We have scotched the snake, not killed it. Shak. Scotched collops (Cookery), a dish made of pieces of beef or veal cut thin, or minced, beaten flat, and stewed with onion and other condiments; -- called also Scotch collops. [Written also scotcht collops.]
5. 6.A slight cut or incision; a score. Walton.