Definition of: division

(di·vizh′ən) noun
1. The act of dividing.
2. A part; section.
3. Separation; disagreement; discord.
4. That which separates, divides, or makes different.
5. Math. The operation of finding how often one quantity is contained in another, or the ratio of one to another: opposed to multiplication.
6. Mil. A large tactical and administrative unit. In the U.S. Army it is larger than a brigade and smaller than a corps and is under the command of a major general.
7. In the U.S. Navy, a group of three battleships, four cruisers, or two aircraft–carriers, under the command of a rear admiral; or four destroyers, commanded by a captain; also, a portion of a ship's company.
8. A voting of a legislative body, specifically by going into affirmative and negative lobbies, as in the British Parliament.
9. Music A series of notes sung to one syllable as a showy or brilliant passage.
10. Zool. A category of animals having common characters but of no established rank in taxonomy.
11. Bot. A category of plants analogous to a phylum in zoology. See synonyms under PART. [<OF <L divisio, -onis <dividere divide]