What does the term 'flemish' refer to in the context of marine usage?

In marine terminology, 'flemish' refers specifically to the method of coiling a line. This technique involves laying the rope in a particular pattern on a flat surface or into a storage basket, allowing it to be stored neatly and preventing tangles. Properly flemishing a line ensures that it can be easily retrieved and deployed when needed, as it maintains the integrity of the rope's physical structure without creating kinks.

The other terms mentioned do not relate to the concept of flemishing. For example, storing equipment generally involves securing items in a designated area, while securing the anchor pertains to methods of anchoring a vessel to prevent drifting. Measuring depth is a completely different activity involving the use of soundings or sonar to determine how deep the water is beneath the vessel. Therefore, the clear focus on coiling the line is what establishes 'flemish' as the correct answer.