moss
How to Use Moss
Learner’s notesIn plain EnglishThe soft green growth found on damp surfaces like rocks, tree bark, or old walls.
Word Forms
mossed past tense, mossed past tense, mossed past tense, mosses plural, mosses plural, mosses singular, mosses singular, mosses singular
Fill the Gap
Can you complete this real example?
_____ covered the north side of every tree in the forest.
Etymology
From Old English mos, "bog, marsh, moss", tracing back to a Proto-Germanic root shared with the Dutch and German words for moss — the plant and the "boggy ground" sense come from the same origin.