The term YOLK SURROUNDER can be solved by the crossword solutions WHITE (5 letters) and WHITTLE (7 letters). The term YOLK SURROUNDER refers to the WHITE, protective membrane that surrounds the yolk of an egg. This membrane is also known as the vitelline membrane and is composed of two layers. The inner layer is made up of albumin proteins and the outer layer is made up of a fibrous material. The membrane helps to protect the yolk from damage and contamination. The term WHITE refers to the color of the membrane, while the term WHITTLE refers to the process of cutting away the membrane in order to access the yolk.