pileolated warbler

noun pi·le·o·lat·ed warbler \ˈpīlēəˌlātə̇d-\

Definition of pileolated warbler

  1. :  a northwestern warbler that is a variety (Wilsonia pusilla pileolata) of Wilson's warbler distinguished by a brighter olive green on the upper parts and a deeper yellow beneath

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Origin and Etymology of pileolated warbler

pileolated capped, from Latin pilleolus, pileolus small cap (diminutive of pilleus, pileus felt cap) + English -ate + -ed — more at pile (hair)


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