Definition of "melon"

(countable) Any of various plants of the family Cucurbitaceae grown for food, generally not including the cucumber.

1. Genus Cucumis, various musk melons, including honeydew, cantaloupes, and horned melon.  examples

2. Genus Citrullus, watermelons and others  examples

3. Genus Benincasa, a winter melon  examples

4. Genus Momordica, a bitter melon  examples

(uncountable) Fruit of such plants.  examples

(uncountable) A light pinkish orange colour, like that of some melon flesh.  examples

(usually in the plural, slang) Breasts.  quotations

(countable, slang) The head.

(countable, Australia, New Zealand, derogatory) A member of the Green Party, or similar environmental group.  examples

(countable) A mass of adipose tissue found in the forehead of all toothed whales, used to focus and modulate vocalizations.  examples

Of a light pinkish orange colour, like that of melon flesh.  examples

(chemistry) The result of heptazine being polymerized with the tri-s-triazine units linked through an amine (NH) link.  examples