ETYM French grade, Latin gradus step, pace, grade, from gradi to step, go. Related to Congress, Degree, Gradus.
(Homonym: grayed).
1. A relative position or degree of value in a graded group; SYN. level, tier.
2. The gradient of a slope or road or other surface.
3. The height of the ground on which something stands; SYN. ground level.

(Homonym: grayed)
1. To assign a grade or rank to, according to one's evaluation; as of scholastic work; SYN. mark.
2. To determine the grade of or assign a grade to.
3. To level to the right gradient.

(Homonym: grayed)
1. At surface level; SYN. ground-level.
2. (Of domestic animals) Improved by selective breeding.

In communications, the range of frequencies available for transmission on a single channel. For example, voice-grade telephone frequencies range from about 300 hertz (Hz) through 3400 Hz.