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

There are over 20 flavors (watermelon’s a winner) to beat plain water for energy. —Parker Hall, Wired News, 10 July 2025

Here are a few tips on how to eat watermelon and pineapple without spiking blood sugar. —Jillian Kubala, Health, 10 July 2025

But many Americans just wanted to enjoy a plate of ribs, corn on the cob and watermelon with family and friends. —Orlando Sentinel, The Orlando Sentinel, 5 July 2025

This is a sign of a juicy and flavorful watermelon. —Brittany Poulson, Verywell Health, 2 July 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