What is the meaning of Tomato_juice?

Used other than figuratively or idiomatically: see tomato, juice.

Juice made from tomatoes. In modern use, this usually refers to the comminuted flesh and juice of cooked tomatoes, prepared commercially.

A food obtained from the unfermented liquid extracted from mature tomatoes of the red or reddish varieties of Lycopersicum esculentum P. Mill, strained free from peel, seeds, and other coarse or hard substances, containing finely divided insoluble solids from the flesh of the tomato.

Source: wiktionary.org