Definition of warbler
2a
: any of numerous small chiefly Old World oscine birds (family Sylviidae) many of which are noted songsters and are closely related to the thrushes
b
: any of numerous small brightly colored American oscine birds (family Parulidae) with a usually weak and unmusical song
— called also wood warbler
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Merriam-Webster unabridged
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Time Traveler for warbler
The first known use of warbler was circa 1611
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