Definition of saw palmetto
1
: any of several shrubby palms chiefly of the southern U.S. and West Indies that have spiny-toothed petioles
especially
: a common palm (Serenoa repens) of the southeastern U.S. with a usually creeping stem
2
: a preparation derived from the berrylike fruit of a saw palmetto (Serenoa repens) that is held to have a therapeutic effect on the prostate gland and is used in dietary supplements and herbal remedies
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Merriam-Webster unabridged
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Time Traveler for saw palmetto
The first known use of saw palmetto was in 1797
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