Ubzo, born at Gretha in East Friesland in 1547, was a very learned professor, and chosen rector of the college of Norden in 1579. This seminary flourished exceedingly under his care; but it declined as visibly after he was ejected, in 1587, for refusing to subscribe the confession of Augsburg. The year afterwards he was made rector of the college of Leer; and when the city of Groningen confederated with the United Provinces, the magistrates appointed him rector of that college; which employment he filled with high reputation for nearly twen- EMENAGOGUES, in Medicine, such remedies as promote the menstrual discharge. They are thus called from ἐν, in, ἀγούσι, month, ἀγοῦσι, I lead, because the natural period of flowing is once a month.