v.
 (past and past part. spent)
  - pay out (money) in buying or hiring goods or services.
 - use or use up (energy or resources); exhaust. 
▸pass (time) in a specified way.
 
n.
 informal an amount of money paid out.
 
  Phrase
  
    
      - spend a penny
 Brit. euphemistic urinate. 
[with ref. to coin-operated locks of public toilets.]
 
    
   
  Derivative
  
    - spendable adj.
  - spender n.
 
   
  Etymology
  OE spendan, from L. expendere ‘pay out’; also a shortening of obs. dispend, from L. dispendere ‘pay out’.