grate
The verb form carries a strong sensory association with friction and harshness. When used for food, it describes a mechanical process of shredding. When used regarding emotions or sounds, it describes a psychological friction, suggesting a feeling of being worn down by something repetitive or discordant. As a noun, the word refers to structural metalwork. It is important to distinguish between the functional tool used in kitchens and the architectural frame used in fireplaces or drainage systems, though both share the characteristic of being a metal grid.
Meanings
To reduce food to small shreds by rubbing it against a perforated metal surface.
"She used a metal tool to grate the cheese for the pasta."
To irritate or annoy someone deeply, often through a repetitive sound or behavior.
"His constant complaining began to grate on his colleagues."
To have an irritating or annoying effect on a person.
"The high-pitched noise of the whistle started to grate on her nerves."