ˈpentə̇kəl noun
( -s )
Etymology: Old Italian pentacol, pentacolo, from (assumed) Medieval Latin pentaculum, probably from Latin penta- + (from Greek) -culum -cle
1. : a 5-pointed star having points formed by extension of the sides of a usually regular pentagon, producible by one continuous line, and used as a magical or talismanic symbol — called also pentagram, pentalpha, pentangle
2. : any of several occult symbols resembling the true pentacle (as in being producible by a continuous line) ; especially : hexagram