Divider

n.	1.	One who, or that which, divides; that which separates anything into parts.
	2.	One who deals out to each his share. Who made me a judge or a divider over you? - Luke xii. 14.
	3.	One who, or that which, causes division. Hate is of all things the mightiest divider. - Milton. Money, the great divider of the world. - Swift.
	4.	An instrument for dividing lines, describing circles, etc., compasses. See Compasses.
	5.	a vertical structure that divides or separates (as a wall divides one room from another).

Noun	1.	divider - a taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics Synonyms: splitter
	2.	divider - a person who separates something into parts or groups
	3.	divider - a vertical structure that divides or separates (as a wall divides one room from another) Synonyms: partition

carve up, dissever, divide, separate, split, split up, splitter, systematist, taxonomer, taxonomist