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dog's letter

American  

noun

  1. the letter r, especially when representing a trill.


Etymology

Origin of dog's letter

1585–95; translation of Latin littera canīna, from the resemblance of the sound of the trill to a dog's snarl

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He calls it the "dog's" letter because the trilling of an R was thought to sound like the low growl of a dog.

From Slate