cut back

cut back
cut back phrasal verb (see also cut)
1. to reduce the amount, size, cost etc of something
    cut back on
    Several major hospitals are cutting back on staff at the moment.
    cut something ↔ back
    Education spending cannot be cut back any further.
    Richer countries must do more to cut back carbon emissions. ⇨ cutback
2. cut something ↔ back to remove the top part of a plant in order to help it to grow:
    Cut back the shoots in spring to encourage bushier growth.
3. to eat, drink, or use less of something, especially in order to improve your health
    cut back on
    Try to cut back on foods containing wheat and dairy products.