meal vs portion

meal and portion both are nouns.

Word	Noun	Adjective	Verb	Adverb
meal	Yes	No	No	No
portion	Yes	No	Yes	No

meal (noun)	portion (noun)
the food served and eaten at one time	the allotment of some amount by dividing something
coarsely ground foodstuff; especially seeds of various cereal grasses or pulse	something less than the whole of a human artifact
any of the occasions for eating food that occur by custom or habit at more or less fixed times	an individual quantity of food or drink taken as part of a meal
	assets belonging to or due to or contributed by an individual person or group
	money or property brought by a woman to her husband at marriage
	something determined in relation to something that includes it
	your overall circumstances or condition in life (including everything that happens to you)

meal (verb)	portion (verb)
	give out