aliment vs meal

aliment and meal both are nouns.

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

As nouns, meal is a hyponym of aliment; that is, meal is a word with a more specific, narrower meaning than aliment:

aliment (noun)	meal (noun)
a source of materials to nourish the body	the food served and eaten at one time
	coarsely ground foodstuff; especially seeds of various cereal grasses or pulse
	any of the occasions for eating food that occur by custom or habit at more or less fixed times

aliment (verb)	meal (verb)
give nourishment to