teaspoon

noun

tea·​spoon ˈtē-ˌspün How to pronounce teaspoon (audio)
-ˈspün
1
: a small spoon that is used especially for eating soft foods and stirring beverages and that holds about one third of a tablespoon
2
: a unit of measure especially in cookery equal to ¹/₆ fluid ounce or ¹/₃ tablespoon (5 milliliters)

Examples of teaspoon in a Sentence

She stirred her coffee with a teaspoon. He measured the salt with a teaspoon. She put a teaspoon of sugar in her coffee.
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.
Mosquitoes breed in standing water and need as little as 1 teaspoon to lay their eggs. Dusk and dawn. Nicole Villalpando, Austin American Statesman, 31 July 2025 Miso Sea Bass Yield: 2 large servings or 4 small servings INGREDIENTS 1/2 cup white miso paste 1 teaspoon coconut sugar 1/2 teaspoon pink salt 2 tablespoons agave syrup 1 tablespoon toasted sesame oil Two 8-ounce portions boneless, skinless Chilean sea bass DIRECTIONS 1. Cathy Thomas, Mercury News, 30 July 2025 Thanks to its abundance of medium-chain triglycerides (MCTs), some people swear that taking a teaspoon of coconut oil in the morning on an empty stomach can have profound effects on energy and more. Veronica Cristino, Vogue, 30 July 2025 Beat in 1 teaspoon of the vanilla just until combined, about 30 seconds; set aside. Kimberly Holland, Southern Living, 29 July 2025 See All Example Sentences for teaspoon

Word History

First Known Use

1686, in the meaning defined at sense 1

Time Traveler
The first known use of teaspoon was in 1686

Browse Nearby Words

Cite this Entry

“Teaspoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/teaspoon. Accessed 21 Aug. 2025.

Kids Definition

teaspoon

noun
tea·​spoon ˈtē-ˌspün How to pronounce teaspoon (audio)
-ˈspün
1
: a small spoon used especially for eating soft foods and stirring beverages
2
: a unit of measure used especially in cooking equal to ⅙ fluid ounce or ⅓ tablespoon (about 5 milliliters)

Medical Definition

teaspoon

noun
: a unit of measure equal to ¹/₆ fluid ounce or ¹/₃ tablespoon or 5 milliliters

More from Merriam-Webster on teaspoon

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!