noun Ae·gi·tha·los \ˌē-jə-ˈthā-ˌläs, -ləs\

Definition of Aegithalos

  1. :  a genus of titmice with very long tail feathers — see long-tailed tit

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Origin and Etymology of aegithalos

borrowed from New Latin, borrowed from Greek aigíthallos, aigíthālos “titmouse,” probably derivative of aígithos “small passerine bird, titmouse” — more at aegithinidae

First Known Use: 1886

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feeling or affected by lethargy

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