Menstrual flow, blood.

And if any man lie with her at all, and her FLOWERS be upon him, he shall be unclean seven days; and all the bed whereon he lieth shall be unclean. ( Leviticus 15:24 )

Source: A King James Dictionary. (Used with permission. Copyright © Philip P. Kapusta)

Bibliography Information

"Entry for 'Flowers'". A King James Dictionary.