Definitions

1. interjection

an expression of excitement or surprise

“The crowd let out a loud ‘rr’ as the team scored a goal.”

2. verb

to make a loud, sharp sound, often used to express excitement or irritation

“She rr-ed in frustration when she spilled her coffee.”

3. onomatopoeia

a representation of the sound it describes

“The rr of the train’s horn echoed through the valley.”

4. noun

a repeated, sharp sound, often used to describe a loud, sudden noise

“The rr of the car’s tires on the pavement was deafening.”