pool vs reserve

pool

noun
  • A supply of resources. 

  • A localized glow of light. 

  • In rifle shooting, a contest in which each competitor pays a certain sum for every shot he makes, the net proceeds being divided among the winners. 

  • A cue sport played on a pool table. There are 15 balls, 7 of one colour, 7 of another, and the black ball (also called the 8 ball). A player must pocket all their own colour balls and then the black ball in order to win. 

  • The stake played for in certain games of cards, billiards, etc.; an aggregated stake to which each player has contributed a share; also, the receptacle for the stakes. 

  • An aggregation of properties or rights, belonging to different people in a community, in a common fund, to be charged with common liabilities. 

  • A set of resources that are kept ready to use. 

  • A game at billiards, in which each of the players stakes a certain sum, the winner taking the whole; also, in public billiard rooms, a game in which the loser pays the entrance fee for all who engage in the game. 

  • A small and rather deep area of (usually) fresh water, as one supplied by a spring, or occurring in the course of a stream or river; a reservoir for water. 

  • A mutual arrangement between competing lines, by which the receipts of all are aggregated, and then distributed pro rata according to agreement. 

  • Any gambling or commercial venture in which several persons join. 

  • A set of players in quadrille etc. 

  • A group of fencers taking part in a competition. 

  • A small amount of liquid on a surface. 

  • Any small body of standing or stagnant water; a puddle. 

  • A combination of persons contributing money to be used for the purpose of increasing or depressing the market price of stocks, grain, or other commodities; also, the aggregate of the sums so contributed. 

verb
  • To put together; contribute to a common fund, on the basis of a mutual division of profits or losses; to make a common interest of. 

  • To form a pool. 

  • To combine or contribute with others, as for a commercial, speculative, or gambling transaction. 

reserve

noun
  • A natural resource known to exist but not currently exploited. 

  • A reserve price in an auction. 

  • Wine held back and aged before being sold. 

  • A body of troops kept in the rear of an army drawn up for battle, reserved to support the other lines as occasion may require; a force or body of troops kept for an exigency. 

  • Absence of color or decoration; the state of being left plain. 

  • The act of reserving or keeping back; reservation; exception. 

  • A tract of land reserved, or set apart, for a particular purpose 

  • A resist. 

  • Restraint of freedom in words or actions; backwardness; caution in personal behavior. 

  • A preparation used on an object being electroplated to fix the limits of the deposit. 

  • In exhibitions, a distinction indicating that the recipient will get a prize in the event of another person being disqualified. 

  • A member of a team who does not participate from the start of the game, but can be used to replace tired or injured team-mates. 

  • A tract of land set apart for the use of an Aboriginal group; Indian reserve (compare US reservation.) 

  • Funds kept on hand to meet planned or unplanned financial requirements. 

  • A group or pile of cards dealt out at the beginning of a patience or solitaire game to be used during play. 

verb
  • To keep back; to retain. 

  • To book in advance; to make a reservation. 

  • To keep in store for future or special use. 

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