cut back

1.  Shorten by cutting, prune, as in It's time we cut back these bushes. [1860s]
2.  Reduce, decrease, as in They are going to cut back defense spending, or We have to cut back production. [c. 1940] Also see cut to the bone.

Definition: economize
Antonyms: spend

The verb has 4 meanings:

Meaning #1: return in time; of films or stories
  Synonym: flash back

Meaning #2: cut down on; make a reduction in
  Synonyms: reduce, cut down, trim, trim down, trim back, cut, bring down

Meaning #3: cultivate, tend, and cut back the growth of"dress the plants in the garden"
  Synonyms: snip, clip, crop, trim, lop, dress, prune

Meaning #4: place restrictions on
  Synonyms: restrict, curtail, curb