noun
grassy place; patch of grass; the grass
Refers to an area of grass, often implying thick, tall, or wild grass rather than a manicured lawn.
公園の草むらでバッタを見つけた。
I found a grasshopper in a grassy patch in the park.
草むらの中から猫が飛び出してきた。
A cat jumped out from the tall grass.
芝生 refers to a lawn or turf, typically short and maintained, while 草むら suggests wilder, taller grass.
Compound of 草 (kusa, 'grass') and むら (mura, 'cluster' or 'grove'), referring to a cluster of grass.