Rolled R

Rolled r or rolling r refers to consonant sounds pronounced with a vibrating tongue or uvula:
 * Alveolar trill, a consonant written as ⟨r⟩ in the International Phonetic Alphabet
 * Alveolar flap, a consonant written as ⟨ɾ⟩ in the International Phonetic Alphabet
 * Retroflex trill, a consonant written as ⟨ɽr⟩ in the International Phonetic Alphabet
 * Uvular trill, a consonant written as ⟨ʀ⟩ in the International Phonetic Alphabet