Function: noun
Date: 1797
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