My words is the section where you can store all the entries you may need in future. Click “Add to My Words” next to any entry you choose and you will have it stored here for quick access.
In naval mine warfare, an explosive device laid in the water with the intention of damaging or sinking ships or of deterring shipping from entering an area. The term does not include devices attached to the bottoms of ships or to harbour installations by personnel operating underwater, nor does it include devices which explode immediately on expiration of a predetermined time after laying.