n A mythical human of very great size.
n (mythology) Specifically:
n Any of the gigantes, the race of giants in the Greek mythology.
n A jotun.
n A very tall and large person.
n A tall species of a particular animal or plant.
n (astronomy) A star that is considerably more luminous than a main sequence star of the same temperature (e.g. red giant, blue giant).
n (computing) An Ethernet packet that exceeds the medium's maximum packet size of 1,518 bytes.
n A very large organisation.
n A person of extraordinary strength or powers, bodily or intellectual.
n (gymnastics) A maneuver involving a full rotation around an axis while fully extended.
n (baseball) A player for the San Francisco Giants.
n (American football) A player for the New York Giants.