Burr is a short, rounded, retroflex-like consonant sound produced with the tongue tip near the alveolar ridge, accompanied by a rolling or vibrating air flow depending on context. As a noun, it often refers to a rough edge or a wire cage, but in pronunciation discussions it stands out as a single-syllable word featuring a closed-mouth /ɜr/ or /ɝ/ nucleus in rhotic varieties. The term also appears in names and dialectal spellings, where the /ɹ/ influences color and vowel length.
Full pronunciation guide
