The level of the ground, the surface of the earth.
Ground floor (of a building)
Ground state, the stationary state of lowest energy of a particle.
The distance of something above the ground or some other chosen level.
The vertical distance from the ground to the highest part of a standing person or animal (withers in the case of a horse).
The highest point or maximum degree.
A quality of vowels, indicating the vertical position of the tongue relative to the roof of the mouth; in practice, the first formant, associated with the height of the tongue.
A mountain, especially a very high one.
The amplitude of a sine function
The distance from the base of something to the top.
A high point.
An area of land at the top of a cliff.