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

The fruit, which grows in the south-central region of Costa Rica, contains lycopene, a pigment that occurs naturally in other foods (such as tomatoes and watermelon) that colors the pineapple. —Moná Thomas, People.com, 23 May 2025

Available for a limited time, Bojangles’ new Watermelon Sweet Tea blends the chain’s legendary iced tea—steeped the old-fashioned way, of course—with real watermelon juice to create a refreshing drink perfect for cooling down on hot summer days. —Meghan Overdeep, Southern Living, 16 May 2025

The Verdict on the McConaughey's Hot Pants Margarita Recipe Purists might prefer to stick with more common star flavors in their margaritas, such as lime, strawberry, or watermelon. —Karla Walsh, Better Homes & Gardens, 14 May 2025

Warren harvested greens, potatoes and watermelons as part of an effort to address food insecurity and health concerns in a neighborhood challenged by blight, crime and poverty. —Arkansas Online, 21 Apr. 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