from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A pentagram, so called for its resemblance to five alphas superimposed at different rotations.
from the GNU version of the Collaborative International Dictionary of English
- n. A five-pointed star, resembling five alphas joined at their bases; -- used as a symbol.
from The Century Dictionary and Cyclopedia
- n. A five-pointed star; a pentacle. See pentacle, and cut under pentagram.
From Ancient Greek πένταλφα, from πέντε (pente) and ἄλφα (alpha), five alphas. (Wiktionary)