watermelon

noun

wa·​ter·​mel·​on ˈwȯ-tər-ˌme-lən 

ˈwä-

1

: a large oblong or roundish fruit with a hard green or white rind often striped or variegated, a sweet watery pink, yellowish, or red pulp, and usually many seeds

2

: a widely cultivated African vine (Citrullus lanatus synonym C. vulgaris) of the gourd family that bears watermelons

Examples of watermelon in a Sentence

Recent Examples on the Web

Dozens of robots took on more than 3,000 steps up one of China's most famous peaks Monday, many carrying eggs and watermelons in a race organizers billed as a test of real-world machine endurance, state media showed. — CBS News, 2 Nov. 2026

The restaurant also has a special ofrenda cocktail, made with Cazadores blanco tequila, Ancho Reyes liqueur, watermelon and lime juice and tamarind syrup, with a foam top. — Sean Timberlake, Sacbee.com, 30 Oct. 2026

Ernest’s grandma served grapes, watermelon, pineapple, slices of brown banana, doubloons of kiwi. — Madeline Ffitch, Harpers Magazine, 27 Oct. 2026

Snacking on some watermelon before bedtime may help quench your thirst so your sleep isn’t so interrupted. — Vanessa Caceres, Verywell Health, 26 Oct. 2026

Word History

First Known Use

1598, in the meaning defined at sense 1

Rhymes for watermelon

• endothelin
• gibberellin
• felon
• melon
• snellen
• tellin
• muskmelon

Kids Definition

watermelon

noun

wa·​ter·​mel·​on ˈwȯt-ər-ˌmel-ən 

ˈwät-

1

: a large oblong or rounded fruit with a hard outer shell, a sweet red juicy pulp, and usually many seeds

2

: a widely grown African vine of the gourd family that produces watermelons