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

TrimTab Brewing excels at fruity sours infused with watermelon or peach. —Bob Carlton, Southern Living, 16 Mar. 2026

The Mean Girls mixes vodka, lemon juice, watermelon syrup and cotton candy. —Ryan Brennan, Kansas City Star, 13 Mar. 2026

Double the fruit intake by adding a few chunks of fresh or frozen watermelon. —Cristina Mutchler, Verywell Health, 12 Mar. 2026

The cocktail of the day was a watermelon margarita, which went down perfectly on an oversized Bali bed, while a guitarist serenaded the crowd. —Helen Wright, TheWeek, 11 Mar. 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