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

At the start of the season, the classic and fall flights are accompanied by a lemonade flight featuring blueberry-coconut, watermelon-mint, spicy peach-chamoy and apple cider. —Camila Pedrosa, Sacbee.com, 3 Oct. 2025

Before eating, wash the watermelon thoroughly to remove any pesticides or impurities from the skin. —Lauren Manaker Ms, Verywell Health, 2 Oct. 2025

This set of six includes scents like lavender, menthol and eucalyptus, vanilla and orange, grapefruit, watermelon, and peppermint, each made with natural essential oils. —L. Daniela Alvarez, Better Homes & Gardens, 29 Sep. 2025

Caedan remembers zucchini, watermelon and corn. —Andrew Callahan, Boston Herald, 28 Sep. 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