abridge something to make a book, play, etc. shorter by leaving parts out (Oxford)
to make a book, play, or piece of writing shorter by removing details and information that is not important (Cambridge)
She has been asked to abridge the novel for radio. (Oxford)
The book was abridged for children. (Cambridge)
abridge the novel for radio.
abridged for children.
Shorten
Cut
Lengthen
Abridgement