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Webster 1913 Edition
Thimbleweed
Thim′ble-weedˊ
,Noun.
(Bot.)
Any plant of the composite genus
Rudbeckia
, coarse herbs somewhat resembling the sunflower; – so called from their conical receptacles. Definition 2024
thimbleweed
thimbleweed
English
Noun
thimbleweed (plural thimbleweeds)