leaf mold

noun

1
: a compost or layer composed chiefly of decayed leaves
2
: a mold or mildew that affects foliage

Examples of leaf mold in a Sentence

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.
After one or two frosts have happened in the fall, add one to two inches of organic mulch (pine needles, aged pine bark, or leaf mold are ideal mulches. Mary Marlowe Leverette, Southern Living, 22 Feb. 2026 Enrich the soil with leaf mold and compost to supply nutrients and retain moisture without becoming soggy. Andy Wilcox, Better Homes & Gardens, 6 Feb. 2026

Word History

First Known Use

1724, in the meaning defined at sense 1

Time Traveler
The first known use of leaf mold was in 1724

Browse Nearby Words

Cite this Entry

“Leaf mold.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20mold. Accessed 23 Feb. 2026.

Kids Definition

leaf mold

noun
: a compost or layer composed chiefly of decayed leaves

More from Merriam-Webster on leaf mold

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!

More from Merriam-Webster