From Longman Dictionary of Contemporary Englishchop something ↔ down phrasal verbCUTto make a tree fall down by cutting it with a sharp tool A couple of the older trees will have to be chopped down. Large areas of rainforest are being chopped down every day. → chop→ See Verb table
Examples from the Corpus
chop down• Go ta work, chop him down.• Treetops towered above us as we chopped our way down.• You did right chopping the Governor down and setting fire to the forum - but don't tell them I said so.• When he got to the bottom, Jack chopped the beanstalk down, and the giant fell to the ground, dead.• Process until very finely chopped, scrape down sides when necessary.• These powerful mountain-dwelling Elves leapt among the Naggarothi assassins and chopped them down with their great axes, saving Caledor's life.• No one has had the energy to chop it all down yet. 