marshmallow

noun

marsh·​mal·​low ˈmärsh-ˌme-lō 

-ˌma-

1

usually marsh mallow : a pink-flowered European perennial herb (Althaea officinalis) of the mallow family that is naturalized in the eastern U.S. and has flowers, leaves, and roots used in herbal remedies

2

: a sweet white confection usually in the form of a spread or small spongy cylindrical pieces now usually made from corn syrup, sugar, albumen, and gelatin but formerly from the marshmallow's root

also : one of these spongy pieces

toasted marshmallows on sticks over a campfire

marshmallowy

ˈmärsh-ˌme-lə-wē 

-ˌma-

adjective

Examples of marshmallow in a Sentence

We toasted marshmallows over the fire.

Recent Examples on the Web

The seasonal twist on the historic fragrance—which first hit the market in 1977 with notes of patchouli and vanilla—centers around a marshmallow musk accord. —India Espy-Jones, Essence, 4 Dec. 2024

Enjoy festive activities like visits with Santa, marshmallow roasting, and performances by the Leonard Bearstein Symphony Orchestra, featuring 18 animatronic bears. —Mckenzie Rankin, Axios, 4 Dec. 2024

This one has layers of spiced chocolate cake, marshmallow topping, and ganache. —Lisa Cericola, Southern Living, 2 Dec. 2024

Doctor them up with butter, cheese, brown sugar, or marshmallows. —Halee Miller Van Ryswyk, Better Homes & Gardens, 24 Nov. 2024

Word History

First Known Use

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

Kids Definition

marshmallow

noun

marsh·​mal·​low ˈmärsh-ˌmel-ō 

-ˌmal-

1

: a pink-flowered herb related to the mallows that has a root sometimes used in sweets and in medicine

2

: a soft spongy sweet formerly made from the root of the marshmallow but now usually prepared from corn syrup, sugar, albumen, and gelatin

Medical Definition

marshmallow

noun

marsh·​mal·​low ˈmärsh-ˌmel-ō, -ˌmel-ə(-w), -ˌmal- 

: a European perennial herb of the genus Althaea (A. officinalis) naturalized in the eastern United States whose pink flowers, velvety leaves, and mucilaginous root are used in herbal medicine and whose root was formerly used in confectionary see althaea sense 2