How to pronounce “cockstone” in English

While another Englishman, Philip Barrow, writing in the 16th century stated that "frigid men and women should eat meats that do heat and engender good humors, as isthe flesh of hens, capons, partridges, pheasants, young doves, birds of the mountain, especially sparrows, cockstones, and suchlike."So clearly you're not lacking for options.