Source : Webster's Revised Unabridged Dictionary (1913)

Ursuline \Ur"su*line\, n. [Cf. F. ursuline.] (R. C. Ch.)
   One of an order of nuns founded by St. Angela Merici, at
   Brescia, in Italy, about the year 1537, and so called from
   St. Ursula, under whose protection it was placed. The order
   was introduced into Canada as early as 1639, and into the
   United States in 1727. The members are devoted entirely to
   education.

Ursuline \Ur"su*line\, a.
   Of or pertaining to St. Ursula, or the order of Ursulines;
   as, the Ursuline nuns.