the act or process of dividing; state of being divided.

Arithmetic . the operation inverse to multiplication; the finding of a quantity, the quotient, that when multiplied by a given quantity, the divisor, gives another given quantity, the dividend; the process of ascertaining how many times one number or quantity is contained in another.

something that divides or separates; partition.

something that marks a division; dividing line or mark.

one of the parts into which a thing is divided; section.

separation by difference of opinion or feeling; disagreement; dissension.

Government . the separation of a legislature, or the like, into two groups, in taking a vote.

one of the parts into which a country or an organization is divided for political, judicial, military, or other purposes.

Military .

(in the army) a major administrative and tactical unit, larger than a regiment or brigade and smaller than a corps

it is usually commanded by a major general.

(in the navy) a number of ships, usually four, forming a tactical group that is part of a fleet or squadron.

a major autonomous or semi-independent but subordinate administrative unit of an industrial enterprise, government bureau, transportation system, or university

the sales division of our company; the Division of Humanities.

(in sports) a category or class containing all the teams or competitors grouped together according to standing, skill, weight, age, or the like

a team in the first division; the heavyweight division in boxing.

Botany . a major primary subdivision of the plant kingdom, consisting of one or more classes; plant phylum.

Zoology . any subdivision of a classificatory group or category.

Horticulture . a type of propagation in which new plants are grown from segments separated from the parent plant.

the ornamentation of a melodic line in 17th- and 18th-century music.

noun

accord , agreement , connection , unification , unison , unity , system , whole , juncture

noun

analysis , apportionment , autopsy , bisection , breaking , breaking down , breaking up , carving , contrasting , cutting up , demarcation , departmentalizing , detaching , detachment , diagnosis , disjuncture , dismemberment , disparting , disseverance , dissolution , distinguishing , distribution , disunion , disuniting , dividing , divorce , parceling , parting , partition , reduction , rending , rupture , segmentation , selection , separating , severance , splitting up , subdivision , vivisectionnotes:a part is any of the components of a whole; a portion is a part allotted to or regarded as belonging to someone; a piece is a part separated from the whole; a division is a part formed by classifying , cutting , partitioning - and so is a section , though it is generally smaller; a segment is a part separated along natural lines of division; a fragment is a small part , usually broken off , affiliate , associate , border , boundary , branch , category , chunk , class , compartment , cut , degree , department , divide , dividend , divider , dividing line , divvy , end , fraction , fragment , grouping , head , kind , lobe , lump , member , moiety , offshoot , parcel , piece , piece of action , portion , rake-off , ramification , section , sector , segment , share , slice , sort , split , wedgenotes:a part is any of the components of a whole; a portion is a part allotted to or regarded as belonging to someone; a piece is a part separated from the whole; a division is a part formed by classifying , conflict , difference of opinion , difficulty , disaccord , disagreement , discord , disharmony , dispute , dissension , dissent , dissidence , dissonance , feud , trouble , variance , wordsnotes:a part is any of the components of a whole; a portion is a part allotted to or regarded as belonging to someone; a piece is a part separated from the whole; a division is a part formed by classifying , disjunction , disseverment , divorcement , separation , admeasurement , allocation , assignment , dispensation , part , agency , arm , organ , wing , disunity , divergence , divergency , schism , alienation , allotment , bifurcation , breach , canton , cleavage , dimidiation , disconnection , distributio , district , dole , fission , group , realm , rift , scission , territory , unit