ABBESS

First in an order

• Big sister

• Climb Ev'ry Mountain singer in The Sound of Music

• Cloister ruler

• Convent boss

• Convent head

• Convent leader

• Convent superior

• Convent VIP

• Conventual superior

• Head nun

• Head of a convent

• Heloise, for one

• Mother superior

• Mother superior, at times

• Number-one nun

• Nun's superior

• One at the top of the order

• Religious leader

• Sisters' superior

• Sound of Music boss

• Superior

• The Sound of Music figure

• Top nun

• Walpurgis, e.g.

• Woman with the title Right Reverend

• The superior of a group of nuns