What sound is associated with the symbol 'ɝ'?

The symbol 'ɝ' represents a rhotacized vowel commonly referred to as the "er" sound, as found in words like "bird" or "her." This sound is characterized by its mid-central position in the mouth, often produced with a slight retroflexion of the tongue. It is an important sound in phonetics, particularly in dialects of English that include this rhotacization. Recognizing 'ɝ' as the "er" sound helps in understanding vowel quality and tongue placement in various contexts, which is crucial for both speech production and perception.