1

moss

play
noun \ˈmȯs\

Definition of moss

  1. 1 chiefly Scotland :  bog, swamp; especially :  a peat bog

  2. 2a :  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 plantsb :  any of various plants resembling moss in appearance or habit of growth

  3. 3 :  a mossy covering

mosslike

play \-ˌlīk\ adjective

Examples of moss in a Sentence

  1. Moss covered the fallen logs.

Recent Examples of moss from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'moss.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of moss

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


2

moss

verb

Definition of moss

  1. transitive verb
  2. :  to cover or overgrow with moss

First Known Use of moss

15th century


MOSS Defined for English Language Learners

moss

play
noun

Definition of moss for English Language Learners

  • : a type of green plant that has very small leaves and no flowers and that grows on rocks, bark, or wet ground


MOSS Defined for Kids

moss

play
noun \ˈmȯs\

Definition of moss for Students

  1. 1 :  a plant that has no flowers and grows as a small leafy stem in patches like cushions clinging to rocks, bark, or damp ground

  2. 2 :  a plant or plantlike organism (as a lichen) resembling moss


Medical Dictionary

moss

play
noun \ˈmȯs\

Medical Definition of moss

  1. 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. 2:  any of various plants resembling mosses in appearance or habit of growth—see club moss, iceland moss, irish moss



Seen and Heard

What made you want to look up moss? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to plunder or ravage

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!