noun

• (uncountable) The act or process of dividing anything.
• Each of the separate parts of something resulting from division.
• (arithmetic, uncountable) The process of dividing a number by another.
• (arithmetic) A calculation that involves this process.
• (military) A formation, usually made up of two or three brigades.
• A usually high-level section of a large company or conglomerate.
• (taxonomy) A rank below kingdom and above class, particularly used of plants or fungi, also (particularly of animals) called a phylum; a taxon at that rank.
• A disagreement; a difference of viewpoint between two sides of an argument.
• (government) A method by which a legislature is separated into groups in order to take a better estimate of vote than a voice vote.
• (music) A florid instrumental variation of a melody in the 17th and 18th centuries, originally conceived as the dividing of each of a succession of long notes into several short ones.
• (music) A set of pipes in a pipe organ which are independently controlled and supplied.
• (law) A concept whereby a common group of debtors are only responsible for their proportionate sum of the total debt.
• (computing) Any of the four major parts of a COBOL program source code.
• (UK, Eton College) A lesson; a class.
• (Australia) A parliamentary constituency.