Main Entry:

¹sum

Pronunciation:

\ˈsəm\

Function:

noun

Etymology:

Middle English summe, from Anglo-French sume, somme, from Latin summa, from feminine of summus highest; akin to Latin super over — more at over

Date:

14th century

1: an indefinite or specified amount of money2: the whole amount : aggregate3: the utmost degree : summit <reached the sum of human happiness>4 a: a summary of the chief points or thoughts : summation <the sum of this criticism follows — C. W. Hendel> b: gist <the sum and substance of an argument>5 a (1): the result of adding numbers <the sum of 5 and 7 is 12> (2): the limit of the sum of the first n terms of an infinite series as n increases indefinitely b: numbers to be added ; broadly : a problem in arithmetic c (1): disjunction 2 (2): union 2d

— sum·ma·bil·i·ty \ˌsə-mə-ˈbi-lə-tē\ noun

— sum·ma·ble \ˈsə-mə-bəl\ adjective

— in sum

: in short : briefly