**Sum** (?), n. [OE. *summe*, *somme*, OF. *sume*, *some*, F. *somme*, L. *summa*, fr. *summus* highest, a superlative from *sub* under. See Sub-, and cf. Supreme.]

**1.**

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.

Take ye the **sum** of all the congregation.
*Num. i. 2.*

*Sum* is now commonly applied to an aggregate of numbers, and *number* to an aggregate of persons or things.

**2.**

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

"The

*sum* of forty pound."

*Chaucer.*

With a great **sum** obtained I this freedom.
*Acts xxii. 28.*

**3.**

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.

**4.**

Height; completion; utmost degree.

Thus have I told thee all my state, and brought
My story to the **sum** of earthly bliss.
*Milton.*

**5.** Arith.

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

*Macaulay.*

A **sum** in arithmetic wherein a flaw discovered at a particular point is **ipso facto** fatal to the whole.
*Gladstone.*

A large sheet of paper . . . covered with long **sums**.
*Dickens.*

Algebraic sum, as distinguished from *arithmetical sum*, the aggregate of two or more numbers or quantities taken with regard to their signs, as + or -, according to the rules of addition in algebra; thus, the *algebraic sum* of -2, 8, and -1 is 5. -- In sum, in short; in brief. [Obs.] "*In sum*, the gospel . . . prescribes every virtue to our conduct, and forbids every sin." *Rogers.*

© Webster 1913.

**Sum**, v. t. [imp. & p. p. Summed (?); p. pr. & vb. n. Summing.] [Cf. F. *sommer*, LL. *summare*.]

**1.**

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*.

The mind doth value every moment, and then the hour doth rather **sum** up the moments, than divide the day.
*Bacon.*

**2.**

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

"Go to the ant, thou sluggard," in few words **sums** up the moral of this fable.
*L'Estrange.*

He **sums** their virtues in himself alone.
*Dryden.*

**3.** Falconry

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

But feathered soon and fledge
They **summed** their pens [wings].
*Milton.*

Summing up, a compendium or abridgment; a recapitulation; a r'esum'e; a summary.

Syn. -- To cast up; collect; comprise; condense; comprehend; compute.

© Webster 1913.