complement (Noun) — Something added to complete, embellish or make perfect. ex. "a fine wine is a perfect complement to the dinner"
complement (Noun) — A word or phrase used to complete a grammatical construction.
complement (Noun) — A complete number or quantity. ex. "a full complement"
complement (Noun) — Number needed to make up a whole force. ex. "a full complement of workers"
complement (Noun) — One of a series of enzymes in the blood serum that are part of the immune response.
complement (Noun) — Either of two parts that mutually complete each other.
complement (Noun) — (logic) the opposite of a statement.
complement (Noun) — (geometry) the angle you need to add to a given angle to make a right angle.
complement (Noun) — (immunology) one of several blood proteins that work with antibodies during an immune response.
complement (Verb) — Make complete or perfect; supply what is wanting or form the complement to. ex. "I need some pepper to complement the sweet touch in the soup"