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

Red Ginger, an uber-popular pan-Asian eatery, lures guests with classics like a phenomenal spicy duck and watermelon salad and IG-worthy lobster pad Thai. — Condé Nast, Condé Nast Traveler, 23 Sep. 2026

The giant pumpkin was weighed last week at the Bluegrass Championship Weigh-Off in Kentucky, known also for large watermelons. — Elyssa Kaufman, CBS News, 18 Sep. 2026

How Peaches and Watermelon Compare for Blood Sugar Peaches generally have a lower GI than watermelon, but the underlying data isn’t always straightforward. — Christopher Bergland, Verywell Health, 18 Sep. 2026

My father was the man of tricks, who sat for an hour mining a watermelon with a circular spoon, who carved the rind into a castle. — Literary Hub, 17 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