lay out

1.  Make a detailed plan, design, or explanation, as in They laid out the exact dimensions in order to construct the new display, or Robert laid out next year's plans for his staff. [Mid-1700s]
2.  Prepare a dead body for burial, as in He died that morning and was laid out for the wake by afternoon. [Late 1500s]
3.  Rebuke harshly, as in She laid me out for breaking the vase. [Slang; late 1800s]
4.  Knock unconscious or to the ground, render helpless, as in He laid him out with one good punch. [Late 1800s]
5.  Expend, spend, as in She laid out a fortune on jewelry. [Mid-1400s]
6.  Display or arrange, especially in a particular order, as in He asked her to lay out the merchandise in an attractive way. [Mid-1400s]

Definition: design, plan
Antonyms: neglect

v

Definition: spend money
Antonyms: hoard, save

The verb has 4 meanings:

Meaning #1: lay out in a line
  Synonyms: range, array, set out

Meaning #2: get ready for a particular purpose or event
  Synonyms: set up, set

Meaning #3: bring forward and present to the mind
  Synonyms: present, represent

Meaning #4: provide a detailed plan or design