: any of several small brilliant South American hummingbirds of the genera Ramphomicron and Chalcostigma that have a long slender sharp bill and feed on honey, insects, and the juice of sugarcane
: any of several small Australian warblers of the genus Acanthiza

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Dictionary Entries Near thornbill

Cite this Entry

“Thornbill.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2023.

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