The Best Cucumber Fruit Salad Recipes on Yummly | Fruit Gazpacho Salad, Tomato Cucumber Salad Ii, My Grandma's Cool Cucumber Salad. The question 'Is cucumber a fruit or a vegetable?' is a common one. At Tommies, we chiefly look at the answer to this question from a health perspective. Fruit. Examples include the aubergine, avocado, breadfruit, chilli, cucumber, Many vegetable fruits can be stored in the salad compartment of the fridge or in a cool.