cling, clingstone -- (fruit (especially peach) whose flesh adheres strongly to the pit)
Overview of verb cling
The verb cling has 3 senses
cling, cleave, adhere, stick, cohere -- (come or be in close contact with; stick or hold together and resist separation; "The dress clings to her body"; "The label stuck to the box"; "The sushi rice grains cohere")
cling -- (to remain emotionally or intellectually attached; "He clings to the idea that she might still love him.")
cling, hang -- (hold on tightly or tenaciously; "hang on to your father's hands"; "The child clung to his mother's apron")