Merriam-Webster Collegiate Dictionary - spend

 verb  (spent; ~ing)  Etymology: Middle English, from Old English -~an, from Medieval Latin expendere to disburse, use up, from Latin, to measure by weight, pay out — more at expend  Date: 13th century  transitive verb  1. to use up or pay out ; expend  2.  a. exhaust, wear out the hurricane gradually spent itself  b. to consume wastefully ; squander the waters are not ours to ~ — J. R. Ellis  3. to cause or permit to elapse ; pass ~ the night  4. give up, sacrifice  intransitive verb  1. to expend or waste wealth or strength  2. to become expended or consumed  3. to have an orgasm  • ~able adjective  • ~er noun