plant food

noun plant foods

1. countable, uncountable Commercially available nutrients intended to enhance the growth of plants, especially in gardens. Pour the nitrogen solution into the water and use it as plant food.
2. countable, uncountable Food from plants. Today, in India, vegetarians form a nonhomogenous group consisting of semivegetarians (plant food, dairy products, eggs, and fish), lacto-ovo vegetarians (plant food, dairy products, and eggs), and vegans (plant food only).