The crossword solution for the term 'Beefsteak or Plum' is TOMATO, which is a six-letter word. TOMATO is a type of fruit that belongs to the nightshade family and is widely used in cooking. It is usually red when ripe, but can also be yellow, orange, green, purple, or even black. Tomatoes are often eaten raw, cooked, or as an ingredient in sauces, salads, and other dishes. They are also used to make ketchup, TOMATO paste, and other condiments.