Meaning : Something determined in relation to something that includes it.
Example :
He wanted to feel a part of something bigger than himself.
I read a portion of the manuscript.
The smaller component is hard to reach.
The animal constituent of plankton.
Synonyms : component, component part, constituent, part
Meaning : Something less than the whole of a human artifact.
Example :
The rear part of the house.
Glue the two parts together.
Synonyms : part
Meaning : Assets belonging to or due to or contributed by an individual person or group.
Example :
He wanted his share in cash.
Synonyms : part, percentage, share
Meaning : Your overall circumstances or condition in life (including everything that happens to you).
Example :
Whatever my fortune may be.
Deserved a better fate.
Has a happy lot.
The luck of the Irish.
A victim of circumstances.
Success that was her portion.
Portion ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Portion ka matlab kya hota hai?