1. used other than as an idiom: see cut,‎ down.
2. to bring down by cutting.
3. to insult, to belittle.
4. to reduce the amount of something.
5. to slay, often in great numbers.

1. cut down on; make a reduction in
2. cut with sweeping strokes; as with an ax or machete
3. cut with a blade or mower
4. intercept (a player)
5. cause to come or go down
6. cause to fall by or as if by delivering a blow