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
Examples of moss in a Sentence
Noun
Moss covered the fallen logs.
Recent Examples on the Web
Rebecca Jones, Southern Living, 1 Jan. 2026
Poke your pointer finger in the orchid’s moss or bark potting medium.
—Leanne Potts, Better Homes & Gardens, 22 Dec. 2025
The water was the color of steeped tea; cypress knees were draped with moss like frayed velvet; gators slipped silently beneath us.
—Matt Ortile, Condé Nast Traveler, 18 Dec. 2025
Now, this number may seem very high but included in this number are lichens and mosses which are considered plants.
—Chris McKeown, Cincinnati Enquirer, 13 Dec. 2025
See All Example Sentences for moss
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Noun
Choose among three colors, too, including powder blush (light pink), moss (green), and luggage (camel).
—Rebecca Jones, Southern Living, 1 Jan. 2026
Poke your pointer finger in the orchid’s moss or bark potting medium.
—Leanne Potts, Better Homes & Gardens, 22 Dec. 2025
The water was the color of steeped tea; cypress knees were draped with moss like frayed velvet; gators slipped silently beneath us.
—Matt Ortile, Condé Nast Traveler, 18 Dec. 2025
Now, this number may seem very high but included in this number are lichens and mosses which are considered plants.
—Chris McKeown, Cincinnati Enquirer, 13 Dec. 2025
See All Example Sentences for moss
Cite this Entry
“Moss.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moss. Accessed 1 Jan. 2026.
Copy CitationMedical Definition
moss
noun1
: any of a division (Bryophyta) of 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
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