noun Date: 1510 any of various chiefly Old World oscine birds (family Motacillidae) related to the pipits and having a long tail that they habitually jerk up and down
WAGTAIL
Meaning of WAGTAIL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012