Senses
削 to peel
to peel or pare with a knife; to scrape or whittle
削 to reduce
(bound form) to reduce, remove, or weaken
削 to slice
(in sports like table tennis) to hit a ball with a slicing or chopping motion
削 to scold
(colloquial) to reprimand or give someone a talking-to
削 to pare
(bound form) used in literary or fixed compounds to mean pare or whittle