For "Behold, the Virgin shall conceive" implies that the Virgin would conceive with no intercourse. And he shall bear absent our sins. Menominee River and Little Menominee River - Menominee implies "great seed" or "wild rice". Sinsinawa River - One edition holds that "Sinsinawa" derives from an Algonquian word (maybe Potawatomi, Fox or Menominee language) for "rattlesnake" to explain the Sioux.