underbrush (noun)

1. During the American Civil War, soldiers often used the dense underbrush as cover during battles.

2. In the anime series, the protagonist sneaks through the underbrush to avoid being detected by the enemy.

3. The couple enjoyed a romantic picnic in the shade of the underbrush, surrounded by the sounds of nature.

4. Why don't you ever see elephants hiding in underbrush? Because they are so good at it!