grating

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noun grat·ing \ ˈgrā-tiŋ \

Definition of grating

1 :a wooden or metal lattice used to close or floor an opening
2 :a partition, covering, or frame of parallel bars or crossbars
3 :a system of close equidistant and parallel lines or bars ruled on a polished surface to produce spectra by diffraction

Recent Examples of grating from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grating.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of grating

1622

Other Architecture Terms


GRATING Defined for English Language Learners

grating

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noun

Definition of grating for English Language Learners

  • : a frame with bars across it that is used to cover an opening


GRATING Defined for Kids

grating

noun grat·ing \ ˈgrā-tiŋ \

Definition of grating for Students

:2grate 1

Medical Dictionary

grating

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noun grat·ing \ ˈgrāt-iŋ \

medical Definition of grating

:a system of close equidistant and parallel lines or bars ruled on a polished surface to produce spectra by diffraction called also diffraction grating


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