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

Other food options include a mini hamburger, watermelon bite, and wood-roasted trumpet mushroom. — Kristen Tauer, Footwear News, 25 Sep. 2026

Pairing watermelon or papaya with fiber, protein, or healthy fats can help slow digestion and prevent blood sugar spikes. — Heather Jones, Verywell Health, 25 Sep. 2026

The pink tour poster featured illustrations of doves carrying olive branches and symbols of the pro-Palestinian movement including a watermelon and the fishnet motif of keffiyeh fabric. — Alexandra Del Rosario, Los Angeles Times, 24 Sep. 2026

The bar menu also contains a panzona michelada, watermelon margarita and a mangonada slushie with tequila. — Emma Hall, Sacbee.com, 24 Sep. 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