Entry 2 senses · 2 variants Webster, 1913 Freestone /frēs'-tōnˌ/ · Free·stone · IPA /ˈfɹiːstoʊn/ n. a. 01 n. A stone composed of sand or grit; -- so called because it is easily cut or wrought. 1. A stone composed of sand or grit; -- so called because it is easily cut or wrought. 02 a. Having the flesh readily separating from the stone, as in certain kinds of peaches. 1. Having the flesh readily separating from the stone, as in certain kinds of peaches.