d4 is d2 (default 1) dessertspoon(s)/dessertspoonful(s)/cochleare medium (dstspn./cochl. med.) [volume-unit], standard d3=m1 (default 1 dessertspoon=10 mL),d1 tablespoon(s),d5 teaspoon(s), d6 one ml measuring spoon(s).
As a unit of culinary measure, a level dessertspoon (dstspn.) equals two teaspoons, or 10 milliliters. As a unit of Apothecary measure, the dessert-spoon was an unofficial but widely used unit of fluid measure equal to two fluid drams, or 1⁄4 fluid ounce. (One) Rounded dessertspoon (=lo mucyveldekpu li ji'i ni'u), one heaped dessertspoon (=lo derxi mucydekpu li pa), one level dessertspoon (=lo mucyveldekpu li ji'inai).