In Sabino Arana's orthography, it was used for the trill consonant. In the standard orthography, it has been replaced by ⟨r⟩ in syllable-final positions and by ⟨rr⟩ between vowels.
“ŕ”, inSlovníkový portál Jazykovedného ústavu Ľ. Štúra SAV [Dictionary portal of the Ľ. Štúr Institute of Linguistics, Slovak Academy of Science] (in Slovak),https://slovnik.juls.savba.sk,2003–2025