Meadow
Grassland
noun
Grass covering the earth is a meadow. Or, if you're less creative, it's grassland.
くさち
The reading is a combination of kun'yomi and on'yomi readings. That being said, both readings for both kanji are the readings you learned with the kanji so you should be able to read this.
一とうの牛が草地をのんびり歩いていました。
There was a cow walking leisurely in the meadow.
アイルランドには、ぼく草地や草地が多い。
There are a lot of pastures and grasslands in Ireland.
この金は、あそこの草地に隠そう。
Let’s hide this money in the meadow over there.