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

Produce varies by the season and includes tomatoes, cucumbers, eggplant, lettuce, kale, peas, berries, turnips, rutabagas, apples, pears, cantaloupe, watermelon, herbs and other homegrown offerings. — Janice Phelan, Kansas City Star, 7 Aug. 2026

How to Store Tequila-Watermelon Wedges Store any leftover watermelon wedges in an airtight container. — Martha Stewart, 7 Aug. 2026

Lisa Frank hair clips; the So Kitschy, made with vodka, rum and apricot and matched with a scrunchie set; and the Rooftop Daydream, a smoky-sweet mezcal cocktail with watermelon and basil, paired with a body wash bar. — Virginia Chamlee, PEOPLE, 6 Aug. 2026

The Tropical Coco Fresca is a layered pineapple-watermelon agua fresca with chamoy lava Tajin® rim, paired with a scoop of icy coconut snow that melts into a creamy tropical explosion of flavors, sure to keep you cool in the Texas heat! — Mateo Rosiles, USA Today, 6 Aug. 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