collation vs meal

collation and meal both are nouns.

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

As nouns, meal is a hypernym of collation; that is, meal is a word with a broader meaning than collation:

Other hypernyms of collation include repast.

collation (noun)	meal (noun)
careful examination and comparison to note points of disagreement	the food served and eaten at one time
assembling in proper numerical or logical sequence	coarsely ground foodstuff; especially seeds of various cereal grasses or pulse
a light informal meal	any of the occasions for eating food that occur by custom or habit at more or less fixed times