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

Think seedless watermelons or clementines. —Pedro Moura, Los Angeles Times, 1 Apr. 2026

Recipes for pickled cucumbers, peaches, and even watermelon rinds filled the pages of early American cookbooks. —Literary Hub, 31 Mar. 2026

Some modern takes on Mediterranean classics include a feta watermelon balsamic salad and Turkish bread panzanella salad. —Ella Gonzales, Fort Worth Star-Telegram, 25 Mar. 2026

Many of the dishes below start with standard red radishes from the supermarket; in season, swap in vibrant watermelon radishes, spicy black Spanish radishes, or other colorful varieties that look exciting to you. —Devra Ferst, Bon Appetit Magazine, 21 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