tea vs meal

tea and meal both are nouns.

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

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

Other hypernyms of tea include repast.

tea (noun)	meal (noun)
a beverage made by steeping tea leaves in water	the food served and eaten at one time
a light midafternoon meal of tea and sandwiches or cakes	coarsely ground foodstuff; especially seeds of various cereal grasses or pulse
dried leaves of the tea shrub; used to make tea	any of the occasions for eating food that occur by custom or habit at more or less fixed times
a tropical evergreen shrub or small tree extensively cultivated in e.g. China and Japan and India; source of tea leaves