Are loofah and squash vegetables?

The definition of vegetables

Vegetables, is one that can cook, cooking the food, in addition to food other than plants (mostly herbs). Included in Category:

1, melons; 2, green leafy category; 3, Eggplant;

4, cabbage category; 5 tubers; 6, real root class;

7, Bulb; 8, cabbage category; 9, legumes category;

10, perennial Plastic Packaging Materials; 11, water lettuce category; 12, fungi; 13, and others.

You said in fact refers to the leafy vegetables, vegetable, right?

Belongs to category soybean pods, pumpkin belongs to melon, sponge gourd also belongs to melons.

If you say that the vegetables are leafy vegetables, then the three not.