moss
US /mɑːs/
UK /mɑːs/

1.
mech
a small flowerless green plant that lacks true roots, growing in low carpets or rounded cushions in damp habitats and reproducing by spores.
:
•
The old stone wall was covered in soft green moss.
Stary kamienny mur był pokryty miękkim zielonym mchem.
•
Be careful, the steps are slippery with moss.
Uważaj, schody są śliskie od mchu.
1.
porastać mchem
cover with moss.
:
•
The old roof had begun to moss over.
Stary dach zaczął porastać mchem.
•
The stones in the garden were slowly mossing.
Kamienie w ogrodzie powoli porastały mchem.