Sum

The aggregate of two or more numbers, magnitudes, quantities, or particulars; the amount or whole of any number of individuals or particulars added together; as, the sum of 5 and 7 is 12.

A quantity of money or currency; any amount, indefinitely; as, a sum of money; a small sum, or a large sum.

The principal points or thoughts when viewed together; the amount; the substance; compendium; as, this is the sum of all the evidence in the case; this is the sum and substance of his objections.

Height; completion; utmost degree.

A problem to be solved, or an example to be wrought out.

To bring together into one whole; to collect into one amount; to cast up, as a column of figures; to ascertain the totality of; -- usually with up.

To bring or collect into a small compass; to comprise in a few words; to condense; -- usually with up.

To have (the feathers) full grown; to furnish with complete, or full-grown, plumage.

The result of adding numbers together

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"

a quantity obtained by the addition of a group of numbers

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"