greenmark

noun
UK /ˈɡriːnmɑːk/
US /ˈɡriːnmɑːrk/

A green mark is a small green sign or spot that shows something.

The teacher put a greenmark on my paper to show I did well.


OTHER MEANINGS

2. A brand or logo that is colored green.

The company's greenmark was printed on every box.

3. A certification showing a product is environmentally friendly.

This bottle has a greenmark, so it can be recycled easily.

4. A green trail marker used on hiking paths.

Follow the greenmark on the trees to stay on the trail.