White lettuce, also known as iceberg lettuce, is a crisp and refreshing leafy green that is commonly used in salads and sandwiches. Although its name suggests a pure white color, it is actually pale green with a hint of white at the core. There are a few different synonyms for this popular lettuce variety, including crisphead lettuce, head lettuce, and cabbage lettuce. Crisphead lettuce refers to the tight and firm head structure of the lettuce, while head lettuce and cabbage lettuce refer to its round shape and tightly packed leaves. Regardless of what you call it, white lettuce remains a staple in many dishes and diets around the world.