鳥ちょう馬まMeanings1noundusky thrushrare termRare Kantō dialect name for the dusky thrush (Turdus naumanni). The standard Japanese name is 鶫 (つぐみ).See also: 鶫関かん東とうの一いち部ぶでは、ツグミのことを「ちょうま」と呼よぶことがある。In parts of Kantō, the dusky thrush is sometimes called 'chōma'.