To become wrinkled like a dried plum, as the fingers and toes do when kept submerged in water.
To remove excess material from a tree or shrub; to trim, especially to make more healthy or productive.
Example: "A good grape grower will prune the vines once a year."
To cut down or shorten (by the removal of unnecessary material).
Example: "To prune a budget, or an essay"
To remove unnecessary branches from a tree data structure.
To preen; to prepare; to dress.