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"?>⅙ fluid ounce or ⅓"?>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

In the jar of a blender, combine kale, basil, Parmigiano-Reggiano, lemon juice and remaining 1 teaspoon salt. —C.w. Cameron, AJC.com, 11 Jan. 2026

Mix a combination of two teaspoons of cream of tartar and a few drops of lemon juice to form a paste. —Ashlyn Needham, Southern Living, 10 Jan. 2026

Add the grated courgettes and onion to the peas, along with the leek, flour, herbs, spices, eggs, 1 3⁄4 teaspoons of salt and a good grind of black pepper. —The Week Uk, TheWeek, 10 Jan. 2026

Fill a small bowl or spray bottle with 2 cups of hot water and 1/2 teaspoon dish soap that contains a grease-cutting ingredient. —Mary Marlowe Leverette, The Spruce, 8 Jan. 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 ¹/₆ fluid ounce or ¹/₃ tablespoon or 5 milliliters