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

Use your fresh mint in all kinds of recipes, such as watermelon salad, pesto, drinks like cocktails, tea, and lemonade, or a flavorful leg of lamb. —Karen Brewer Grossman, Southern Living, 18 Jan. 2026

Crafted from Pinot Noir, Leitz Eins Zwei Zero Rosé delivers bright red fruit—strawberry, watermelon, cherry—supported by brisk acidity and lean minerality. —Layne Randolph, Forbes.com, 17 Jan. 2026

Cucurbits The members of the cucumber family (summer squash, zucchini, cucumber, melon, and watermelon) are also warm-weather crops. —Nadia Hassani, The Spruce, 17 Jan. 2026

So feel free to exchange God for Holy, Arabness for Islam, sect and ethnicity for nation and state, or Palestine’s flag for a watermelon. —Literary Hub, 15 Jan. 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