Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Clingstone \Cling"stone`\, a.
Having the flesh attached closely to the stone, as in some
kinds of peaches. -- n. A fruit, as a peach, whose flesh
adheres to the stone.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
clingstone
n 1: fruit (especially peach) whose flesh adheres strongly to
the pit [syn: {cling}, {clingstone}]