noun
Linguistics term for a consonant produced by rapid vibration of an articulator, such as the Spanish 'rr'.
スペイン語の「perro」の「rr」は顫動音です。
The 'rr' in Spanish 'perro' is a trill.
Composed of 顫 (sen, 'tremble') + 動 (dō, 'move') + 音 (on, 'sound'), a Sino-Japanese compound used in phonetics.