teaspoon

noun

tea·​spoon ˈtē-ˌspün 

-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 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

What mad honey does to the human body When a human eats more than about a teaspoon of this honey, the toxin interferes with how the heart muscle generates its electrical signals. — Prayan Pokharel, The Conversation, 27 Aug. 2026

The amount most studies have looked at, 1/2 to 1 teaspoon of cinnamon daily, exceeds what most people would add to their food or drink. — Gavin Escott, USA Today, 27 Aug. 2026

Add the remaining 1 tablespoon oil, the onion, mushrooms, garlic, and the remaining 1/2 teaspoon salt. — ABC News, 25 Aug. 2026

Meanwhile, in a clean large bowl, combine the romaine with the pepper, 1/4 cup dressing, remaining 1/4 cup Parmesan cheese and remaining 1/4 teaspoon salt. — Kate Williams, AJC.com, 24 Aug. 2026

Word History

First Known Use

1686, in the meaning defined at sense 1

Phrases Containing teaspoon

• level teaspoon/tablespoon

Rhymes for teaspoon

• attune
• baboon
• balloon
• bassoon
• buffoon
• cartoon
• cocoon
• festoon
• gaboon
• harpoon
• immune
• impugn

Kids 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 ⅙ fluid ounce or ⅓ tablespoon or 5 milliliters