moss
noun
[ mɒs ]
• a small flowerless green plant that lacks true roots, growing in damp habitats and reproducing by means of spores released from stalked capsules.
• "the trees are overgrown with vines and moss"
• a green colour like that of moss.
• a bog, especially a peat bog.
moss
verb
• cover with moss.
• "nature has mossed the gravel walks and roads"
Origin:
Old English mos ‘bog or moss’, of Germanic origin; related to Dutch mos and German Moos .