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

This is because, similarly to watermelon, a typical serving of cantaloupe doesn't contain too many carbohydrates. —Sarah Bence, Verywell Health, 14 Aug. 2025

Champagne takes over as the base, with watermelon juice, elderflower, and a squeeze of lime. —Jordi Lippe-McGraw, Forbes.com, 13 Aug. 2025

The alliance, which farms more than just watermelons, had the Watermelon Crawl at several different locations over the years, Chope said. —Harley Walls, Arkansas Online, 9 Aug. 2025

Because of soil fungus problems in Europe, for example, 95% of the watermelons planted there are grafted onto watermelon rootstocks that are fungus resistant. —Joshua Siskin, Oc Register, 8 Aug. 2025

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