1. n. any small or medium-sized songbird of the family Turdidae, esp. a song thrush or mistle thrush (see MISTLE THRUSH, song thrush).
Etymology: OE thrysce f. Gmc: cf. THROSTLE 2. n.1 a a disease, esp. of children, marked by whitish fungous vesicles in the mouth and throat. b a similar disease of the vagina.
2 inflammation affecting the frog of a horse's foot.
Etymology: 17th c.: orig. unkn.