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

My napkin holder is four pieces of watermelon—two on each side with napkins sandwiched in the middle. — Jenny Hughes, The Spruce, 15 Sep. 2026

Soldiers and civilians celebrated together in the streets, sharing fresh watermelons -- a traditional symbol of Kherson. — David Brennan, ABC News, 15 Sep. 2026

Lamb, mojitos, and watermelon salad can all be improved by the addition of a bit of fresh mint, which is why so many home gardeners like to add this aromatic herb to their gardens. — Lauren Wellbank, Martha Stewart, 14 Sep. 2026

Upstairs on the terrace, refreshing cocktails suited for outdoor drinking include the Summer Crush–made with tequila, watermelon, fig-balsamic, Acqua di Cedro, and lime. — Kristin Braswell, Bon Appetit Magazine, 14 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