Crown land, also known as royal domain or demesne, is a territorial area belonging to the monarch, who personifies the Crown. It is the equivalent of an entailed estate and passes with the monarchy, being inseparable from it. Today, in Commonwealth realms such as Canada and Australia, crown land is considered public land and is apart from the monarch's private estate.
It is an old measurement for a bottle of booze. It refers to the fact that the bottles were 1/5th of a gallon. These days most bottles are 750 ml, which is close to 1/5 of a gallon. A gallon contains 128 fluid ounces. So a fifth (1/5) or 750ml contains a tad more than 25 oz, or 25 one-ounce shots. Of course, many use 1 Â½ ounce for a standard shot which is around 16 shots. Bar Measurement Chart.
160 fluid ounces in a gallon, so there's 80 fluid ounces in a half gallon, standard shot glass is 2 ounces, so you'll have about 40 shots.