silver_dollar has definitions from the field of botany
1
[ noun ] a dollar made of silver

Synonyms

cartwheel

Used in print

(Peter J. White, "Report on Laos"...)

It had a festering hole as big as a silver_dollar .

Related terms

dollar

2
[ noun ] (botany) southeastern European plant cultivated for its fragrant purplish flowers and round flat papery silver-white seedpods that are used for indoor decoration

Related terms

herb Lunaria

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