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

Hundreds of users commented on the watermelon mishap, with many siding with the dad. —Daniella Gray, MSNBC Newsweek, 27 June 2025

There are way more flavors today, including watermelon, banana fudge, Jolly Ranchers, Extra Sour Tear Jerkers and Hawaiian Punch. —Lisa Gutierrez, Kansas City Star, 26 June 2025

Rinse the entire outside of the watermelon under running water. —Jennifer Klump, Verywell Health, 24 June 2025

Watermelon 91% water, 4.9 oz of water per cup of diced watermelon Watermelon is low in sugar (9 grams per cup) relative to its natural sweetness. —Cynthia Sass, Health, 23 June 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