CHICKADEE Meaning of CHICKADEE in English chick ‧ a ‧ dee /ˈtʃɪkədiː/ BrE AmE noun [countable] [ Date: 1800-1900 ; Origin: From the sound it makes ] a North American bird with a black head Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012