dog's letter

noun

variants or less commonly dog letter

: the letter r

Word History

Etymology

translation of Latin littera canina; from the fancied resemblance of the trilled r to the growl of a dog

First Known Use

circa 1552, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now