sum (

     n 1: a quantity of money; "he borrowed a large sum"; "the amount
          he had in cash was insufficient" [syn: sum of money, amount,
           amount of money]
     2: a quantity obtained by addition [syn: amount, total]
     3: the final aggregate; "the sum of all our troubles did not
        equal the misery they suffered" [syn: sum total]
     4: the choicest or most essential or most vital part of some
        idea or experience: "the gist of the prosecutor's
        argument"; "the heart and soul of the Republican Party";
        "the nub of the story" [syn: kernel, substance, core,
         center, essence, gist, heart, heart and soul, inwardness,
         marrow, meat, nub, pith, nitty-gritty]
     5: the whole amount [syn: total, totality, aggregate]
     6: a set containing all and only the members of two or more
        given sets; "let C be the union of the sets A and B" [syn:
         union, join]
     v : determine the sum of; "Add all the people in this town to
         those of the neighboring town" [syn: total, tot, {tot
         up}, sum up, summate, tote up, add, add together,
          tally, add up]