/ɑr/ or /r/; sometimes /r/ (a guttural, back-of-the-throat sound)

Definitions

1. noun

A guttural sound made in the back of the throat, used in the names of some birds, such as a rhinoceros beetle or a rhinoceros bird.

“The rh of the rhinoceros bird is a distinctive feature of its call.”

2. noun

A musical interval, especially in ancient Greek music, consisting of a fourth or fifth.

“The rh was a fundamental element in the composition of ancient Greek music.”

3. prefix

A prefix used in the names of some rhinoceros beetles, rhinoceros birds, or other words.

“The term rhinoceros comes from the Greek word ‘rhinokeros’, which means ‘nose-horned’.”