Agaric and Meadow mushroom

Agaric noun - A saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside.

Meadow mushroom and agaric are semantically related. In some cases you can replace phrase "Meadow mushroom" with "Agaric", this terms are similar.

Meadow mushroom noun - Common edible mushroom found naturally in moist open soil; the cultivated mushroom of commerce.

Agaric and meadow mushroom are semantically related. You can use "Agaric" instead a noun phrase "Meadow mushroom".