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 ⅙ fluid ounce or ⅓ 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
For example, a Fanta Orange pop contains 45 grams of sugar, the equivalent of 13 teaspoons, the Harvard study found.
—
Laura Washington, Chicago Tribune, 11 Feb. 2026
Add more tangerine juice or water, 1 teaspoon at a time, to adjust consistency and taste.
—Faye Levy, Oc Register, 11 Feb. 2026
For even more odor-fighting power, Rochester recommends combining 2 teaspoons of citric acid, a half cup of water, 10 drops of tea tree oil, and 20 drops of pine essential oil in a spray bottle.
—Hallie Milstein, Southern Living, 10 Feb. 2026
Mix ½ gallon of warm water, 1 tablespoon of rubbing alcohol, and 1 teaspoon of liquid dish soap in a large container, then pour it into a spray bottle and apply it to icy surfaces to melt the ice.
—Timothy Dale, Better Homes & Gardens, 10 Feb. 2026
See All Example Sentences for teaspoon
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Laura Washington, Chicago Tribune, 11 Feb. 2026
Add more tangerine juice or water, 1 teaspoon at a time, to adjust consistency and taste.
—Faye Levy, Oc Register, 11 Feb. 2026
For even more odor-fighting power, Rochester recommends combining 2 teaspoons of citric acid, a half cup of water, 10 drops of tea tree oil, and 20 drops of pine essential oil in a spray bottle.
—Hallie Milstein, Southern Living, 10 Feb. 2026
Mix ½ gallon of warm water, 1 tablespoon of rubbing alcohol, and 1 teaspoon of liquid dish soap in a large container, then pour it into a spray bottle and apply it to icy surfaces to melt the ice.
—Timothy Dale, Better Homes & Gardens, 10 Feb. 2026
See All Example Sentences for teaspoon
Cite this Entry
“Teaspoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/teaspoon. Accessed 15 Feb. 2026.
Copy CitationKids Definition
teaspoon
noun
tea·spoon
ˈtē-ˌspün 
-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
tea·spoon
ˈtē-ˌspün, -ˈspün
: a unit of measure equal to ¹/₆ fluid ounce or ¹/₃ tablespoon or 5 milliliters
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