1. clingstone - Noun
2. clingstone - Adjective
Having the flesh attached closely to the stone, as in some kinds of peaches.
A fruit, as a peach, whose flesh adheres to the stone.
Source: Webster's dictionaryFreestone types are preferred for eating fresh, while clingstone for canning. Source: Internet
As with peaches, nectarines can be white or yellow, and clingstone or freestone. Source: Internet
Some cultivars are partially freestone and clingstone, and these are called semi-free. Source: Internet