big trefoil

noun

Definition of big trefoil

: a European perennial legume (Lotus uliginosus) used in the U.S., chiefly in the Northwest, as a forage crop especially on acid and wet soil

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Cite this Entry

“Big trefoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20trefoil. Accessed 1 Dec. 2020.

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