guru, n.:
A person in T-shirt and sandals who took... guru, n.:
A person in T-shirt and sandals who took an elevator ride with
a senior vice-president and is ultimately responsible for the
phone call you are about to receive from your boss.
gyroscope, n.:
A wheel or disk mounted to spin rapidly... gyroscope, n.:
A wheel or disk mounted to spin rapidly about an axis and also
free to rotate about one or both of two axes perpindicular to
each other and the axis of spin so that a rotation of one of the
two mutually perpendicular axes...