moss

1 of 2

noun

1
chiefly Scotland : bog, swamp
especially : a peat bog
2
a
: any of a class (Musci) of bryophytic plants characterized by a gametophyte having a small leafy often tufted stem bearing sex organs at its tip
also : a clump or sward of these plants
b
: any of various plants resembling moss in appearance or habit of growth
3
: a mossy covering
mosslike adjective

moss

2 of 2

verb

mossed; mossing; mosses

transitive verb

: to cover or overgrow with moss

Examples of moss in a Sentence

Noun Moss covered the fallen logs.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Fragrance Family: Chypre green Hero Notes: Grass, lime, leather, mint, moss, patchouli D.S. & Durga is having a blast this year, fresh off their tennis ball accord Crush Balls, and a trio of men’s colognes that includes this-here Golfjazz number. Adam Hurly, Robb Report, 15 July 2025 Colson does just that in a Ryoko Rain moss denim work jacket paired with matching jeans. Tiana Randall, Forbes.com, 1 July 2025 Actually, the insects are beneficial cleaning the trunks and limbs by feeding on moss, lichens, algae and similar growths. Tom MacCubbin, The Orlando Sentinel, 14 June 2025 Also, several conifers had bark covered in furry moss. Jaclyn Cosgrove, Los Angeles Times, 12 June 2025 See All Example Sentences for moss

Word History

Etymology

Noun

Middle English, from Old English mos; akin to Old High German mos moss, Latin muscus

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined above

Time Traveler
The first known use of moss was before the 12th century

Cite this Entry

“Moss.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moss. Accessed 21 Jul. 2025.

Kids Definition

moss

noun
ˈmȯs
1
: any of a class of plants that have no flowers and produce small leafy stems forming sex organs at their tips and that grow in patches like cushions on rocks, bark, or damp ground
2
: any of various plants (as lichens) resembling mosses compare reindeer moss
mosslike
-ˌlīk
adjective
mossy
ˈmȯ-sē
adjective

Medical Definition

moss

noun
1
: any of a class (Musci) of bryophytic plants having a small leafy often tufted stem bearing sex organs at its tip see sphagnum
2
: any of various plants resembling mosses in appearance or habit of growth see club moss, iceland moss, irish moss

More from Merriam-Webster on moss

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