A shaking of the ground, caused by volcanic activity or movement around geologic faults.
Such a quake specifically occurring on the planet Earth, as opposed to other celestial bodies.
To undergo an earthquake.
An instance or act of undulating.
A wavy appearance or outline; waviness.
A wavelike curve; a smooth and regular rise and fall.
A wavelike motion of the air; electromagnetic radiation.
A tremulous tone produced by a peculiar pressure of the finger on a string.