Online Encyclopedia of Western Signs and Ideograms Symbols.com

Symbol 22:6

2202b

22:6 · The above entry sign turned upside down is found in some English meteorology, meaning threatening skies. Note that the the upside down triangle represented the element of water i the Middle Ages.
    This sign denoted woman in prehistoric times and was used by the Sumerians from about 3000 B.C.
    Compare with 0420c for vulva or vagina, a prehistoric sign.