n A quantity obtained by addition or aggregation.
n (often plural) An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).
n A quantity of money.
n A summary; the principal points or thoughts when viewed together; the amount; the substance; compendium.
n A central idea or point; gist.
n The utmost degree.
n (obsolete) An old English measure of corn equal to the quarter.
v (transitive) To add together.
v (transitive) To give a summary of.
n The basic unit of money in Kyrgyzstan.
n The basic unit of money in Uzbekistan.
n A type of administrative district used in China, Mongolia, and Russia. In Mongolia, a sum is smaller than a province. In China, it is only used in Inner Mongolia, where it is equivalent to a township.
n A surname.