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

Highlighting flavors of Appalachia, its menu includes peanut soup, black walnut pesto, watermelon salad, and pickle ice cream. —Pat Tompkins, AFAR Media, 9 Oct. 2025

Its formula is backed by science, designed with optimal hydration ratios, and comes in 13 flavors, from berry to watermelon. —Olivia Tarantino, Bon Appetit Magazine, 8 Oct. 2025

At the start of the season, the classic and fall flights are accompanied by a lemonade flight featuring blueberry-coconut, watermelon-mint, spicy peach-chamoy and apple cider. —Camila Pedrosa, Sacbee.com, 3 Oct. 2025

To incorporate watermelon rind into your diet, consider pickling it or adding it to a stir-fry. —Lauren Manaker Ms, Verywell Health, 2 Oct. 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