a part of any whole, either separated from or integrated with it

I read a portion of the manuscript.

an amount of food served for one person; serving; helping

He took a large portion of spinach.

the part of a whole allotted to or belonging to a person or group; share.

the part of an estate that goes to an heir or a next of kin.

Literary . something that is allotted to a person by God or fate.

(esp. formerly) the money, goods, or estate that a woman brings to her husband at marriage; dowry.

to divide into or distribute in portions or shares (often fol. by out ).

to furnish with a portion, as with an inheritance or a dowry

All of his children have been amply portioned.

to provide with a lot or fate

She was portioned with sorrow throughout her life.

noun

all , entirety , whole

verb

collect , combine , gather , join

noun

allocation , allotment , allowance , apportionment , bang , bit , chunk , division , divvy , drag * , dram , excerpt , extract , fix , fraction , fragment , gob , helping , hit , hunk , lagniappe , lion’s share , lot , lump , measure , meed , member , moiety , morsel , parcel , part , piece , piece of action , plum , quantity , quantum , quota , scrap , section , segment , serving , shot * , slug * , smithereen , tastenotes: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 , circumstance , cup * , doom , fortune , kismet * , lot * , lucknotes: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 , subdivision , slice , dole , ration , share , split , mess , claim , stake , title , destiny , kismet , predestination , amount , contingent , dowry , inheritance , quanta

verb

administer , allocate , allot , apportion , assign , deal , dispense , distribute , divvy up * , dole out * , mete out , parcel , part , partition , piece , prorate , quota , ration , section , share , shiftnotes: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 , divide , dole out , parcel out , allocation , allotment , allowance , bit , bite , cut , destiny , division , divvy , dole , dollop , dose , dowry , endow , fate , helping , kismet , lot , measure , moiety , percentage , quantity , ratio , segment , serving , slice