pruning

Pronunciation: /ˈpɹuːnɪŋ/

The English word “pruning” has 3 meanings listed here.

noun

A removal of excess material from a tree or shrub.
Something obtained by pruning, as a twig.
A method of enumeration that allows the cutting out of parts of a decision tree.

From prune + -ing.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.