✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

mulch

noun

ˈməlch How to pronounce mulch (audio)
ˈməlsh
: a protective covering (as of sawdust, compost, or paper) spread or left on the ground to reduce evaporation, maintain even soil temperature, prevent erosion, control weeds, enrich the soil, or keep fruit (such as strawberries) clean
mulch transitive verb

Examples of mulch in a Sentence

She spread some mulch around the plants.
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.
Overwintering Give Purple Daydream® Dwarf Loropetalum a thin blanket of mulch over the root zone to moderate soil temperatures during the winter months. Kim Toscano, Southern Living, 25 Nov. 2025 Top dress with wood chips to add nutrients and retain moisture, or use gravel as a winter mulch for plants that prefer drier soil. Erica Browne Grivas, Better Homes & Gardens, 22 Nov. 2025 When the holidays are over and when you are done with the tree, it can be recycled into mulch or used for conservation projects. Chris McKeown, Cincinnati Enquirer, 22 Nov. 2025 Since then, Guard personnel have been largely tasked with patrols and beautification efforts like clearing trash, spreading mulch and pruning trees. Juliana Kim, NPR, 20 Nov. 2025 See All Example Sentences for mulch

Word History

Etymology

perhaps irregular from English dialect melch soft, mild

First Known Use

1657, in the meaning defined above

Time Traveler
The first known use of mulch was in 1657

Browse Nearby Words

Cite this Entry

“Mulch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mulch. Accessed 30 Nov. 2025.

Kids Definition

mulch

1 of 2 noun
ˈməlch
: a covering (as of straw or sawdust) spread over the ground to protect the roots of plants from heat, cold, or evaporation, prevent soil loss, control weeds, enrich the soil, or keep fruit (as strawberries) clean

mulch

2 of 2 verb
: to cover with mulch

More from Merriam-Webster on mulch

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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