As a noun, victuals refers to a stock or supply of foods. As a verb, victual means to supply with food or to eat.
In documents, you may see the past tense of the verb (either victualed or victualled), "Persons victualed on Goat Island were..." or "The Captain would not leave until the vessels were victualed and made ready for sea."
The term is rarely used today. The noun survives in slang, as vittles and wittles.