noun.
An edible substance that is used in making a dish or other food.
noun.
An element or component of something: synonym: element.
The Century Dictionary and Cyclopedia
Entering as a component part; constituent.
noun.
A person entering; an incomer.
noun.
That which enters into a compound, or is a component part of a compound or mixture; one of the elements of a combination or composition, as a dish, drink, or medicine.
the GNU version of the Collaborative International Dictionary of English
noun.
That which enters into a compound, or is a component part of any combination, recipe, or mixture; an element; a constituent.
adjective.
Entering as, or forming, an ingredient or component part.