Dictionary
grat•ing
Pronunciation: (grā'ting), [key]—
n.
1. a fixed frame of bars or the like covering an opening to exclude persons, animals, coarse material, or objects while admitting light, air, or fine material.
2. Physics.See
diffraction grating. grat•ing
Pronunciation: (grā'ting), [key]—
adj.
1. irritating or unpleasant to one's feelings.
2. (of a sound or noise) harsh, discordant, or rasping.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.