accumulator vs side bet

accumulator

noun
  • A collective bet on successive events, with both stake and winnings being carried forward to accumulate progressively. 

  • A derivative contract under which the seller commits to sell shares of an underlying security at a certain strike price, which the buyer is obligated to buy. 

  • A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging. 

  • A register or variable used for holding the intermediate results of a computation or data transfer. 

  • A one way membership function. 

  • One who, or that which, accumulates. 

  • A container which stores hydraulic power for release, in the form of a pressurized fluid (often suspended within a larger tank of fluid under pressure). 

  • One who takes two higher degrees simultaneously, to reduce their length of study. 

  • A vessel containing pressurized hot water ready for release as steam. 

  • A wet-cell storage battery. 

side bet

noun
  • A bet on some aspect of a game or competition that is not the main bet of the game or the prize of the competition; proposition bet. 

  • An investment of time, money, or resources that reinforces one's commitment to a course of action. 

  • An investment or risk undertaken by a company that is not part of its core business. 

How often have the words accumulator and side bet occurred in a corpus of books? (source: Google Ngram Viewer )