Arti kata
wagtail
Definition of wagtail (English)
noun
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Old World bird having a very long tail that jerks up and down as it walkssumber: wordnet30
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Any one of many species of Old World singing birds belonging to Motacilla and several allied genera of the family Motacillidæ. They have the habit of constantly jerking their long tails up and down, whence the name.sumber: webster1913